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La Sportiva Syborg Boot

Brand: La Sportiva
Model: Syborg
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Availability: In Stock & Ships Today
Price: $748.95 $496.82
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This could be the one. The skimo race boot that you wouldn’t hesitate to use on your other adventures. Borrowing features from their award winning Stratos line of world cup race boots, La Sportiva has made the most complete and affordable race boot yet. With full coverage liner zips, a proven single-throw buckle system, durable soles, and amazing race weight, the Syborg (not Cyborg) boot could be the new standard in tour-able race boots.

The 75 degree range of motion is more than your ankle has, making this the leader in striding efficiency. The CavoBike lever is taken directly from the Cube and offers reliable one-motion transitions. The overlapping cuff and ratcheting lower buckle secure you nicely for the down. The zippered liner cover keeps the snow out while booting, and the LazerGrip sole (borrowed from the Spitfire/Sideral/Starlet) is touring ready. A 100.4mm last makes the Syborg comfortable for all day affairs. We can’t think of anything La Sportiva left out. Can you?

  • Carbon-reinforced Grilamid® cuff is a unique combination of stiffness and lightness.
  • LazerGrip2™ sole is borrowed from La Sportiva’s touring boots to provide durable grip.
  • Optional power strap can be used for aggressive skiing or removed to save grams for a race.
  • 35 degree backward and 40 degree forward range of motion is like not wearing a boot.
  • Syborg EZ Thermo™ liner (119g) is designed to take advantage of the range of motion with flexible ankles.
  • Forward lean is adjustable with four different options to choose from: 14°, 16°, 18°, or 20°.
  • Lower “spider” buckles secure the Grilamid shell and lock your heel into place, preventing blisters.
  • CavoBike lever provides effortless switching between ski/walk modes and won’t snag your pants.
  • Ample 100.4mm forefoot width handles more than just skinny feet and keeps your blood flowing.
  • Included optional insert plugs rear "Sportiva gap" to prevent snow from attacking your achilles.
Specifications
Weight
-> ounces
830g [27]
855g [27.5]
Weight (pair) 1660g [27]
1710g [27.5]
Buckles 2 + power strap
Boot Sole Length 257mm [23.5/24]
267mm [24.5/25]
277mm [25.5/26]
287mm [26.5/27]
297mm [27.5/28]
307mm [28.5/29]
317mm [29.5/30]
Binding Compatibility Tech only
Cuff Rotation 75°
Forward Lean(s) 14°, 16°, 18°, 20°
Specs Verified Yes
Design
Materials Grilamid shell, Carbon/Grilamid cuff
Liner Syborg EZ Thermo
Sole LazerGrip2
Skimo Co Says
Usage Racing, speed touring
Notes Zippered liner cover helps keep out snow
Bottom Line Feature complete yet featherweight
1/15/2018
Question from Jim Morgan
 
I am currently skiing the TLT 5’s in a 27.0. What size Syborg would be equal to the dynamite boot?
1/16/2018
Answer from Trace Leches
 
Hey Jim! Depends on how your TLT5 fits and which version you have! There are some liner discrepancies between different models, boot history will come into account, and the sizing on this Syborg throws things off a touch. Fill out our boot fitter if you'd like to dive into a bit more detail with it!
Answer this question:

12/26/2017
by Robert B (downright abused product)
 
Hi,

This is part review, part question.

Firstly, I've just realised that these huge vert. numbers people are posting are in feet! Us Europeans think in meters, so I was a bit intimidated!

I've had these boots 2 seasons, and for my feet they're by far the most comfortable ski boots I've tried. I have skinny ankles so I have some movement there, but I wear chubby ankle socks and that seems to do the trick.

I'll try not to repeat what's been commented before. Here's some of my experiences.
I use the grivel haute route crampons, and they work fine with these boots. I have the walk/ski locking mechanism adjusted to maximum out when in walk mode and I've never felt it catch.

I try to take as much care as I can when putting on/off the boots but, nevertheless, the leather upper and zip thing do take a beating. Both boots have about 1cm tears at the top rivet, and the zip on one of the boots is detached a bit.
I find that the velcro doesn't stay in place and I get snow collecting between the leather upper and the boot liner. Especially in races with fast transitions, the leather just flops out and then snow bundles in.

The boot liners are comfortable and warm, they've worn against the pivot rivets, so I need to patch them up. I find it takes a fair bit of effort to enter the boot with the liners on, but the boot seems to survive.

I've found the lower buckle is fragile, catching it on a rock can be curtains. I've bent two, and replaced them. I've also found the catch mechanism weak. Often it just releases to a looser position during the day/race.

I have the "new" blocking rod on the ski/walk lever to prevent it going up. I had this fitted after I accidentally caught the lever with a carabiner while putting away my via ferrata gear during a race! I decided to just finish the race with the boot loose which was a bad idea!

I have two problems with the ski/walk lever. One is that it seems to have stiffened; when I try to put it in to ski mode it doesn't spring in anymore without a helping hand. Any suggestions on how to fix that? I'll try some lube first.
Secondly, the little hook collects snow/ice, and ices up preventing it from locking. Both of these problems, particularly the last, have given me very stressful transitions in races. In my last race it was the main reason I lost a place.

The little metal hook holding the red heel flap in place has broken on one of my boots. I must have also once caught the red flap when putting the boot on, as it's bent a bit. Is it possible to get a replacement heel flap with metal hook?

Overall I find the boots ok - the most important thing is that boots are comfortable. Due to my weird feet most boots leave me in total agony, almost crying in pain and frustration. These are the only ones I've found so far that are comfortable. This is a heavy plus. The ski/walk locking mechanism is a heavy minus. The fact I sometimes have to spend a minute or so at transitions poking ice out of the hook is not good. Also, the leaver sticks out, and I'm waiting for the moment where I catch it on a rock and break it. The front buckle also doesn't hold the ratchet in well which isn't ideal either, but I have such a high arch my foot is snug enough.

If I can find an alternative that is comfortable, I'll probably switch, but here in Norway there's no skimo.co - gear selection is limited and tech knowledge is average, so until something changes I'll stick with these.
12/27/2017
Reply from jbo
 
Hi Robert, thanks for the feedback. It seems like more and more boots are using the external bar-latch for the ski/walk mode lever. All of them can ice up, especially when booting. We just use Whippets or Scrapers to clean 'em out. Also, you can try and adjust the tension on the Cavo lever to see if that helps with the locking. It's also possible the springs have been stretched out due to impact on the lever. You may be able to get a new set of levers from Sportiva. We can probably dig up a replacement red flap for you.
1/10/2018
Reply from Robert B
 
Hi, thanks for the comments. I'll experiment with the scraper on my next outing. I sprayed some WD-40 on the lever and it loosened up nicely, so maybe that solved it for now.

I've messaged you in the contact form about the red flap.
Comment on this review:

5/9/2017
by boris d (used product regularly)
 
My set-up is almost identical to Colin's (Hagan Y-drive skis with Dynafit Speed Turn bindings). My impressions are similar to Colin's too but I've used the boots longer so wanted to give a durability evaluation. I'm not a racer. I'd say I'm a moderate ski tourer so wanted to give a review from this viewpoint. I'm neither young nor particularly strong and a very moderate skier but these boots allowed me to summit and ski quite a few mountains and keep up with much stronger people! So definitely a game changer for me.

Durability: Resort skinning and touring for two seasons in WA, CO, and New England. Well over 200K vertical and also quite a bit of hiking miles. Skied a few 14ers and a bunch of 13ers in CO, Baker and Shuksan in WA in these boots. The boots are still in pretty good shape. So far, the only obvious damage is to the gaiters. They started to rip near the rivet attachment. Zippers also started to separate on one gaiter so I had to fix it some thread and needle. The design and materials for those gaiters are not great. It but the design is weak. I think it can be repaired using some fabric patches and glue but I'm lazy and it does not really affect the performance. The liners show the use but no actual damage and still quite usable.

Comfort/Usability: Never had a blister even though my typical skinning session at the local ski resort is 8K vertical. I did not mold the liners. I like the cords system for adjusting the rigidity of the upper and find it easy to use. The ski/walk mechanism is amazingly easy to operate. On the flat downhill sections I often switch the modes on the fly without stopping to make things easier. However, when cold I at times I had some difficulties when locking in a ski mode due to icing of the hook. Similar to Colin, I like the red piece near the heel which keeps snow out works and I never had a problem with it as long as I was careful putting the boots on in the beginning.

Ski: I don't think I can contribute much on this topic as I haven't had enough experience with other types of boots for a proper comparison. I agree with what other reviewers said.

Skinning: Enough said, pretty awesome. I want to add that I liked to hike in them just fine, felt light and agile. On the snow it felt like the best footwear period, way better than regular plastic climbing boots.

Crampon fit: As was mentioned in the previous reviews, these will not fit your regular automatic crampons. My solution was a taking rear and upper parts from different crampons accumulated in my basement and coming up with a combination that fits perfectly. Not a solution for everybody but worked very well for me.

Overall: I would definitely buy these again. I think you have to realize what they are, and ski them in all conditions

I wanted to review these boots from a viewpoint of a moderate ski tourer. I'm not a racer, not an endurance athlete, not particularly strong guy. I've used these boots a lot, probably well over 200,000K vertical now. Resort skinning and touring for two seasons in WA, CO, and New England. To give you an idea, I've skied a few 14ers and a bunch of 13ers in CO, Baker and Shuksan in WA in these boots. Frankly, I doubt that I could get up those mountains in heavier boots! So basically,
Comment on this review:

4/29/2017
by Colin (used product regularly)
 
This was my first foray into a lightweight boot, before this I was touring in a pebax 4 buckle beast. I have used these for a full season, in all conditions, for slightly over 100,000 earned. I have never raced on them, though I might next year. I should say that I skied a Hagan Y-Drive with Dynafit Low Tech's.

Durability: I have had no issues. You do have to be very careful putting these on or you might very well break the zipper (this is not the best design). I don't really tension the buckle across the forefoot, so that was never an issue. And the red piece near the heel which keeps snow out works, some people have really disliked this - just put your thumb on it when you are putting your foot in, I have never had a problem with it.

Ski: Conditions dependent. I mean they are not my Lange RS130s. For me, I had to adopt a much more neutral stance, and frankly - ski better. They are not fun in breakable crust (but what is), on chopped up snow they require vigilance, they would be totally fine on groomer, and they do great in all densities of fresh snow.

Skinning: Pretty awesome. If you haven't skinned in a 'race-boot', it's kind of a game changer. For those that have, I really like throwing just one buckle, the range of motion is really good, and with the gaiter I don't have to worry about snow coming in. Also, with the range of motion I have never felt the need for a higher riser than the low-tech heel, even on stupid steep skin tracks.

Overall: I would definitely buy these again. I think you have to realize what they are, and ski them in all conditions.
Comment on this review:

3/4/2017
Question from Mike
 
Are these officially compatible with Speed Radicals? They seem to be a little sticky when exiting the toes from ski mode.
3/4/2017
Answer from jbo
 
Hi Mike, yes they are compatible. Note it's not unusual to want to remove a bit of rubber from soles for the smoothest operation using various boot/binding combos.
Answer this question:

3/2/2017
Question from josh
 
Is the 28 shell the same size as the 27.5?
3/2/2017
Answer from jbo
 
Hi Josh, yes it is.
Answer this question:

2/5/2017
Question from alex
 
I want a light boot for long days and ski mountaineering. I love the sportiva spitfire, but am thinking about going lighter in my next 2-buckle. Two quick questions:

1) How do you think the Syborg would hold-up in a mountaineering setting? (mostly I am worried about durability)

2) How does the fit compare to the Spitfire?
2/5/2017
Answer from jbo
 
Hi Alex, lots of folks are mountaineering in race boots, including the Syborg. Like any sufficiently complex equipment, they occasionally have problems that need fixing. The foot shape is similar to the Spitfire, though the lengths are a bit different, owing to the shell break being on the half-size versus the whole-size. I'm a 27.5 in the Spitfire and 28.0 in the Syborg.
Answer this question:

11/27/2016
by Brent (used product regularly)
 
I'm a long time skinner (~60 days/yr), but new to racing. I bought these late last season (sz 28.5).

Despite their flimsy look, they ski great and tour even better. But today, after about 25 days on them, the lower plastic buckle snapped off. Really disappointing. It wasn't ratcheted too tight, just snapped in half on the uphill after 2 laps.

Something more durable is needed.
11/27/2016
Reply from jbo
 
Hi Brent, La Sportiva will warranty that for you. I'd reach out to your dealer for an exchange.
Comment on this review:

9/15/2016
Question from Patrick
 
I'm trying to narrow down what size boot to get. This will be my first skimo racing boot. I wear a 26.5 for the scarpa maestrale and they are comfortable and perhaps a tad roomy. Should I go to a 26.0 for the Syborg? Thanks!
9/15/2016
Answer from jbo
 
Hi Patrick, these are a touch shorter than a Maestrale in the same size, so I wouldn't go down. Especially since 26.0 is a whole shell size (1cm in length) smaller.
Answer this question:

2/23/2016
by wag (used product regularly)
 
These are my first pair of race boots, so I don't have any specifics comparing them to other boots in this category. I'm 6'5" 190lbs and I was skeptical of how flimsy they seemed out of the box, but when I took them out for their first tour I was blown away by how well they ski.

I've used them on race skis, as well as some Dynastar Mythics, and some Dynafit Carbonio 74s. For a race boot they are fantastic, and they work well with the Carbonios. I'm looking forward to using the Carbonio + Syborg combo for spring skiing objectives. I've skied the Mythics with the Syborg and a Dynafit Titan. The Titan definitely drives the ski a little better, but the weight advantage and comfort of the Syborg on the up is more than worth the trade off.

For waterfall ice, i'd say up to WI4 there's not much difference between these and an ice climbing specific boot. My boot size is 30.0 and I've been using a Black Diamond Cyborg crampon. This combo works fine, and there's no interference between the boot latch and the crampon latch.

As an added bonus, driving in your ski boots has never been easier! I will likely buy another pair when these wear out.
Comment on this review:

2/14/2016
Question from Scott Bierman
 
Hello
Looking at picking up a pair of Syborgs but none of our local retailers carry them. The Scarpa Alien in a 26.0 fits me perfectly, does anyone know how the fit between these two compares?

thanks

sb
2/14/2016
Answer from jbo
 
Hi Scott, you would be a 26.0 in the Syborg too then.
Answer this question:

1/16/2016
Question from SVH
 
Has anyone had the leather upper rip. Mine ripped when the zipper froze and i pulled the liner out of the boot which resulted in a large tear and de-lam. Kind of a bummer as it's now a matter of time before the upper is useless, tried to glue it but it just takes too much pressure when the liner comes out.
1/16/2016
Answer from jbo
 
Hi SVH, you should not force the liner out without unzipping the cover (which is not leather). We tell customers to zip up without the velcro attached to avoid unnecessary strain on the cover. Sportiva warranty covers problems not due to abuse.
1/17/2016
Answer from Sean V
 
thanks for the response jbo,
the zipper was frozen solid so i couldn't unzip it, not necessarily looking for a warranty though. do you have any advice on how to repair so that the entire upper doesn't rip off? gorilla glue and duct tape failed pretty quickly.
1/17/2016
Answer from jbo
 
Sorry Sean, haven't had to try yet. I've been babying mine.
4/8/2016
Answer from Andrew D
 
yes, i've had little rips on mine but likely because when removing my foot from the boot (liner still on), i forget to pull off the velcro first. it was a learning curve after years of pulling my foot out while leaving the liner in...
Answer this question:

1/13/2016
Question from Chris
 
What is the last width? What is the widest of all skimo race boots?
1/13/2016
Answer from jbo
 
Hi Chris, Sportiva lists it as 100.4 in the size 27. The widest race boot is currently the DNA.
Answer this question:

10/24/2015
Question from Derek
 
I live in Alaska, and will be in Utah Dec 3-16. Can I swing by your warehouse and try a pair of these on? Easier than ordering the wrong sized and dealing with the epic shipping fest to Ketchikan.
10/24/2015
Answer from jbo
 
Hah, sure Derek! We now have a brick and mortar location in Cottonwood Heights, near the base of Big Cottonwood Canyon.
10/24/2015
Answer from Derek W
 
Good to know. Thanks. I guess I'll have to make the annual trip to Utah to get skis tuned, buy gear, etc;)
10/24/2015
Answer from jbo
 
I'm still trying to figure out why you moved away!
10/24/2015
Answer from Derek W
 
I guess this isn't the place for the reason, but think........endless new outdoor opportunity (skiing, hiking, fishing, rafting, packrafting) with nobody around, true wilderness that doesn't exist in the lower 48, anywhere. You're it. You, the bears, the fish, and the mountains. Silence...........
Answer this question:

10/22/2015
Question from Ben
 
Hello,
Was wondering if anyone could compare sizing between the Syborg and Scarpa's F1 Evo. I'm begrudgingly returning my warrantied pair and am looking for something to fill a similar niche. Thanks!
Ben
10/22/2015
Answer from jbo
 
Hi Ben, I'd say the Syborgs are touch shorter, especially in the half sizes. I went from 27.5 Evo to 28 Syborg. Forefoot last seems similar. These are easier to get into if you didn't cut the rubber on the Evos :)
Answer this question:

10/18/2015
Comment from Carl
 
I can think of one thing La Sportiva forgot...a size 31 boot!
10/18/2015
Reply from jbo
 
Hah, you have a point there! I would suggest shortening your foot, it's worth it.
Reply to this comment

5/6/2015
by Randolph R (downright abused product)
 
I bought these boots with the intention to use them as a daily driver and for some longer technical ski traverses. I chose them to fill in the gaps I saw where my Alien 1.0 are a bit week. I wanted something that, like the Alien 1.0, was 1) light weight, 2) full range of motion, and 3) stiff but that also 4) was full coverage, and 5) had a locking mechanism that was less prone to breakage / could easily be repaired in the field. No doubt that the Syborg is light, stiff, and has a full range of motion (and at a great price!) - criteria 1-3 check! On full coverage: I have found that the vinyl outer on the front and the additional insert for the back to be sufficient. The front has proved surprisingly durable and has provided no problems. The back inserts however are flimsy and poorly attached to the boot. Once these back inserts see a bit of wear they easily bent out of shape and sometimes come out of place. when putting the boot liner in the shell. As long as I am concious of the issue it's fine. So criteria 4 is met... but not with flying colors. Criteria 5 is where things get tricky. On first inspection and use the locking mechanism is smooth as can be, but there are some issues. First, the locking lever gets in the way of most automatic crampons. You can adjust the tension on the locking lever to make space for a normal automatic crampon heel lock - but this is completely impractical in the field. I have gotten around this by using a pair of CAMP race 290's which utilize a TLT specific design or by using a pair of crampons with Petzl's sidelock mechanism - neither of which get in the way of the boot's locking mechanism. This is something potential buyers must be aware of - without the right crampons this boot can become significantly less useful (at least in my mind). This is especially relevant as I consider one of the boots greatest strengths is how well it climbs. I have lead WI4 in these boots without any problems (much better climbing boot than the Alien 1.0). Howerver the real issue with the locking mechanism that it can potentially be pushed upwards, triggering a safety release, when walking in deep snow (especially walking downhill). Resetting the spring back into place is a major pain in the ass (even if you're sitting at home in your living room). I've only had this issue on two occasions but it was enough to bend the spring that tensions the locking mechanism so that even once the spring was reset there was not enough tension for the boot to lock into ski mode. Luckily I was sitting by a car and could take the time to sit down and get at the spring with a leatherman and bend it back into shape to provide just enough tension to lock the boots into ski mode. I would expect a more durable and robust build for such a crucial part on the boot - which in the end has proved quite flimsy. The Syborgs are a great everyday touring ski that super comfy (great liner that dries super quick) and ski great. I detract one star from my rating because of the specific technical details with the locking mechanism and the flimsy nature of the rear snow guard inserts. Overall I am quite satisfied with these boots.That being said, I prefer the alien 1.0 without question when it comes to racing and training. I often tell people that I think of the alien 1.0 as a running shoe, the syborg as an approach shoe, and the the tlt6 as a light boot.
5/6/2015
Reply from jbo
 
Hi Randolph, thanks for the detailed feedback. FYI there is a fix for the lever spring issue. Sportiva is sending out new lock levers that have a pin to prevent the upwards movement that releases the spring. I can send you a set when they arrive.
5/6/2015
Reply from Randolph R
 
EPIC!

You are really are the best internet retailer I've ever dealt with (by a mile - even 10 miles!)!
10/30/2018
Reply from Joel N
 
Hi! Is it possible to get more info on this new lever with pins? Maybe a photo? I could start searching for them here in EU and asking from my local dealer if they could fix me a pair.
11/3/2018
Reply from jbo
 
Hi Joel, here is a photo of the pins.
Comment on this review:

3/9/2015
by bmac (used product a few times)
 
I have only used these twice so far, but am very impressed with the range of motion, weight (29's were 859g), snug but comfortable fit, and stiffness. My feet are 285mm long, 109mm wide at the forefoot and heel is about 68mm. I have a lot of trouble getting my heel snug in hiking boots, running shoes, and nordic boots, but these are pretty good right out of the box. I'll probably add some inserts to snug the heel up a up a bit, but I'm not even sure if it's necessary. If you have a wider forefoot than me, you'll likely have to do some modifications to the shell. Doing the shell fit I'm just about touching either side of the boot without the liner in. I have a fairly low volume foot and usually need to run two insoles in my ski boots to fill up the vertical space, but these fit really well.

I was mostly impressed with how stiff and responsive these were on the icecoast moguls we skiied last weekend at the Jay Peak rando race. I felt that they skiied as well, if not better, than my black diamond primes on the hardpack, and WAY better than the only other touring boot I've used - the scarpa flash.

The walk to ski mode switch is super easy. No straining to close the buckle at all. Pretty amazing compared to the beefier alpine and touring boots I've used where I need serious leverage to get a snug ankle fit.

I'm somewhat skeptical about the durability of these, given the plastic buckle, and plastic latches for the string that secures your ankle, but only time will tell on that. The skepticism may prove unwarranted - fingers crossed. I think the forefoot boa closure scarpa is using is probably the best design - I love the boas on my cycling shoes - but this ankle strap works well to secure the foot in place.

I'll add details as I ski them more!
2/2/2016
Reply from bmac
 
Wanted to update this since I promised I'd do so above after some use. I've now used them in a variety of race and touring situations, and remounted my heavier skis so I could use them all the time. I have at least 160k of vert on them now, as well as some ice climbing, and plenty of rock/off-snow travel. I don't have the red snow guards or power straps on, and haven't felt the need. The soles are holding up well, and the plastic shells are less banged up than I would have thought for so much off snow abuse. The ankle articulation is incredible - virtually zero resistance. The rear latch mechanism was susceptible to having the spring pop out. It happened once while post holing, and another time while bootpacking I hit the lever with the toe of my other boot. The spring popped out in both cases. Over the summer I was devising ways to come up with a way to block it, but fortunately La Sportiva did it already - literally the exact I idea I had! It should prevent this from happening, and up to this point that was the only notable drawback. Jason shipped me a pair for free and I just switched them out. Hopefully that takes care of the issue.

One minor downside to the ski/walk mechanism is that the rear latch can interfere with some automatic crampons. The smaller the crampon lever (like the light camp ones) the better.

Mine fit well out of the box with some liner molding, but I've heard from folks that boot fitters have been able to easily modify/widen these boots. From what I understand that's a concern with many lightweight boots, but apparently these have been easy to work with.
4/4/2016
Reply from Pdw w
 
bmac, just received a pair for my wife and for the first time in my life I read the manual....

It seems to solve your crampon issue if you want to go with steel ones:


2. ADJUSTING THE LOCKING SYSTEM
In the case of use of crampons, you will need to adjust the rear boot lock[E] so that it does not interfere with the crampon during walking. Then regulate the adjustment screw on the locking lever[F], thus varying the inclination of the locking system.
5/19/2017
Reply from bmac
 
Update after two seasons of use. I think these were a pretty solid intro boot for me. I used them for racing and daily touring with the hagan race and cirrus skis from mid 2015 through mid 2017 seasons. After 3 seasons they're pretty beat up but still functioning. Soles have held up well even with lots of non-snow travel. At this point there's lots of play in the cuff rivots. I haven't attempted to swap them out with replaceable rivets the way folks have with pdg/tlts/evos. Not sure if it's possible. Based on the wear and tear compared to friends' alien 1.0's and pdg/evos - the only thing that makes these less durable are the cuff rivets. I think the liners are warmer and the gaiters keep more snow out than other brands comparable models. In the past few months I also picked up the Fischer Traverse and a pair of Pierre Gignoux's. Obviously the PG's are better at skinning and skiing by a wide margin, and the Fischers are immensely better at skiing with a slight compromise for skinning. Next season I'll probably still use the syborgs for fast training, PGs for racing, and the Fischers for the remaining 90%. If you're just getting into racing, or looking for one boot - this is a good choice if it fits. If you're a few seasons in and getting serious, I'd go with a real race boot and a light touring boot like the Fischers.
Comment on this review:

2/19/2015
by Kevin (used product regularly)
 
Fantastic boot! Considering it's in the same price range as the non carbon alien, it beats it hands down! There's no comparison.
Lighter, skis better, and less bulky.

The 75 degrees movement range is amazing... It's like wearing a Pierre Gignoux.

If you have the choice between the Cyborgs, Aliens or PDG's, go for these!!!
Comment on this review:

2/10/2015
Question from Ryan (hasn't used product)
 
Any experience with these as a general powder touring boot for non race skis? I'm intrigued by the statement above that they are a bit stiffer then the non carbon alien but I can't find much info out there on how these ski big skis. Are they in the same ball park as something like my original orange maestrales?
2/11/2015
Answer from jbo
 
Hi Ryan, race boots can't compare to the 4 bucklers in terms of support, but you don't really need a crutch to ski powder. There would be some limit to your aggressiveness, but the limit would be found sooner with big skis in hard conditions.
2/21/2015
Answer from Kevin T
 
I bought the Syborg boot primarily for racing (newbie racing that is) and long light tours, but I have also taken them out for a day in the deep powder with my wide boards, which are La Sportiva Hi5's. the Hi5 is 105 underfoot and reasonably stiff (and heavy by today's standards). My conclusion is that the boot's ability to drive a big ski is very conditions-dependent. The day I took them out, the conditions were sublime: I did 4500 ft of perfect 12-18" of powder and skied them fast on mostly mellow terrain (low 30's). The boot handled the ski amazingly well - I had no gripes whatsoever. I could turn the ski fast through the trees and also completely let it rip in the open terrain.

That said, those were pretty much the easiest conditions ever. I've also had the boot out in less than ideal (and sometimes very hateful) conditions, and even on light, skinny skis, I've wished for more support and less flex. As soon as the conditions get variable in the slightest, I notice an immediate decline in control relative to other touring boots I've skied in the past (like my TLT5P's).

So, if you tried to ski this boot hard on a wide, heavy plank like a Hi5 in steep, variable, or perhaps less than ideal conditions, I think it will leave something to be desired. In contrast, my TLT5P handles this ski in all of those conditions sufficiently well (with the tongue insert in). Caveat: I haven't yet tried the Syborg's power strap, so maybe that would improve things.

Finally, I'll say that I really love the Syborg, and I think it does exactly what it's designed to do. It's my first race boot, so I can't compare it against other race boots, but it is extremely comfortable for my foot, has excellent articulation and is stiff enough to get the job done. It has completely replaced my TLT5P for long, light touring, and I'll even continue to use it with my big skis when the conditions are just right.
3/1/2015
Answer from JDT
 
I have been using these boots since the end of December 2014. This is a quick follow-up to my review below and answering the above questions. First of all since my first review I have been skiing with the Red rubberized-plastic heel insert. This is very flexible. It does NOT inhibit the walking mode at all. It is effective in keeping the snow out, and it makes getting into the shell easier. It is best to put the liner on first and then slide into the shell.

Second, regarding the stiffness. I have been using the power strap and it is very effective to improve stiffness. In fact it is nearly perfect. In comparison I found the power strap on the non-carbon aliens to have essentially no effect on performance. On the TLT5P the powerstrap is very effective to boost performance, but I have to loosen it for walking/touring. (This is not a big deal when casually touring in a non-race environment). By contrast, I have been touring and racing with the power strap on the Syborgs. Even with the strap tight, the walking performance is not adversely affected compared to walking with it loosened. As well, the strap definitely helps with performance. Adjust at the beginning of your tour or race and forget it.

I have been touring and racing on these. Touring with both Hagan Cirrus and x-races. I have no complaints regarding stiffness or performance with these. I have been skiing powder, crust, 50 degree bomb-proof chutes. I find the difference between these and the TLT5P (used without the tongue) is not as much stiffness, but rather a rougher ride due to more defection due to the lightness of the equipment (This is accentuated by the fact that I am using these boots primarily with narrower, light-weight skis) Adding the Tongue certainly makes the TLT5P closer to a four buckle boot IMO, but I am also lighter than most...
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