Skimo Co

Dynafit TLT X Extra Wide Boot


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Wide-footed ski mountaineers and skimo racers rejoice! Dynafit has answered your prayers with the TLT X Extra Wide Boot. Featuring the Twistfit Closure System in the lower shell, the TLT X Extra Wide provides a nuanced and precise way to comfortably and precisely secure your foot and heel. The single-throw Ultra Lock 5.0 system makes for ultra-quick transitions while the buttery smooth 60-degree range of motion allows for efficient travel during big days in the mountains. As the name suggests, this boot is wide, however, the Grilamid shell is receptive to boot modification while remaining light and strong.

With the TLT X Extra Wide, Dynafit has created the perfect lightweight boot for wide-footed skiers. Make agony-filled ski days a thing of the past, consider grabbing a set of Dynafit TLT X Extra Wide boots for light and fast days in the mountains.

  • Perhaps the best option for wide-footed skimo racers.
  • Grilamid shell is lightweight and receptive to boot modifications.
  • Grilamid cuff is loaded with glass fibers for increased downhill performance.
  • Twistfit Closure System provides a precise and secure fit.
  • Ultra Lock 5.0 combines cuff closure/opening and ski/walk mode into one fluid system.
  • Toe and heel welts pair well with automatic crampons.
  • Power strap is included in the box.
  • Durable and grippy Pomoca soles provide security for slippery ridgelines.
  • Lifetime guarantee of 5 years.

convert to ounces
1088g [27.5]
Weight (pair) 2176g [27.5]
Buckles   1w/ Twistfit Closure
Boot Sole Length   277mm [25/25.5]
287mm [26/26.5]
297mm [27/27.5]
307mm [28/28.5]
317mm [29/29.5]
327mm [30/30.5]
Binding Compatibility   Tech only
Cuff Rotation   60°
Forward Lean(s)   15° - 18°
Specs Verified Yes
Materials   Grilamid shell, Grilamid with Glass Fiber cuff, Grilamid spoiler
Liner   Dynafitter 5
Sole   Pomoca
Skimo Co Says
Usage Ski Mountaineering
Notes Extra wide last for big feet
Bottom Line Touring boot for those with exceptionally wide feet
Compare to other Touring Boots

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Questions & Reviews

Question from Vladimir K
What is the Flex for this boot? Is it softer than 120?
Answer from Jeff
Vladimir, Most of the lightweight boots do not have flex numbers, nor do they accurately describe how they feel.
But yes, it would be less then 120.
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Question from Angelo
Planning to put in an order the the Dynafit extra wide. Hobbit feet. My foot measures 26.5cm exactly, but quite wide with bunions. Euro shoe size typically 42.
In a resort alpine ski boot usually do go with the 26.5 for a performance fit. Do you recommend going with the 26.5 or go a size up to the 27/27.5? On backcountry days not as concerned about performance as are usually going to moderate terrain only.
I currently use the Scott Cosmos 27.5 for which a had to add some foam behind the tongue to stabilize my foot. Not sure how Dynafits are in this respect.
Thanks for your input.
Answer from Jeff
Angelo, Tough question... Come to our store.
Ideally you don't ever want to size up, you have issues like you have with your Cosmos. The Extra wide will be just a bit wider then the Cosmos, but a little bit lower volume. So you can punch the size 26.5 for additional width. Unless you feel you won't have enough length for comfortable hiking, stick to 26.5.
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Question from Dave
Hi, I have a USA size 7.5 EE Men’s, which usually equals a 25.5 mondo for length, and most standard lasts are too narrow across the ball of my foot but my heels are narrow. Would I be better off getting the extra wide last and adding shims to get a snug heel, or having a standard width punched out to get enough width across my forefoot?
Answer from Carlos M
Hi Dave,

In many cases, it is better to punch out a boot that fits well in certain places but is too tight in others, rather than getting a boot that fits too wide overall. With a narrow heel, this may not be your best fit. I would email us with details at and we can suggest some models that may work and be easily modified!
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Question from Travis S
I see that the 27 and 27.5 is the same length so is there a difference? Does the 27 have a thicker liner than the 27.5?
Answer from Niko M
Hi Travis, these are the same boot! The liner is the same volume, but may be pre-molded to a different dummy foot size. After a heat mold they are exactly equivalent.
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Question from Walter
Can the front of the toe box be punched out around the big toe on the extra wide boots?
Answer from Carlos M
Hi Walter,

Yes, we will be able to do some work on the shell of these boots. However, like any lightweight touring boot, the material is thin and delicate and so we will be limited in how much we can punch them. Small, targeted adjustments will work fine.
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Question from Joe
Hello, is the mondo point sizing fairly consistent across other dynafit boots? For example, if a 29.5 hoji free fits me length-wise, should the 29.5 tlt x wide fit me length-wise?
Answer from Carlos M
Hi Joe,

Yes, Dynafit's sizing is very consistent length-wise across all of their boots except for certain specific carbon race boots.
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Question from Elliot C
Have you heard if the heel pocket will also be widened proportionately to the forefoot/last width?
Answer from Gabriel I
Hi Elliot, the fit is wider throughout the entire foot, so the heel pocket will be a bit roomier too.
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Question from Mfp
Amazing. Can you measure exactly how wide this boot is in the forefoot!? I have EEEE feet, and have traditionally used atomic back lands to get width I need
Answer from Gabriel I
Hi Mfp, Dynafit lists the width across the forefoot at 107mm, which will vary a bit with mondo size. But it might be the widest touring boot ever made, certainly the widest we've ever carried! The TLT X lower can be punched wider as well.
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Model: TLT X Extra Wide Boot M

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