Skimo Co

Atomic Ultimate Race Skins


You gotta skin it to win it, so it’s nice to have the most efficient skins out there. That crown might now be held by Atomic who, in partnership with Colltex, developed an innovative new Glide Zone at the tip of their skins. Formally called Rocker Skins, the 100% mohair gliders feature a section of ski base material instead of fur near the tip. This allows the skin to cruise through powder, slush, or obstacles more easily. The innovation scarcely affects the grip, since the tips are not weighted and often raised above the snow, especially with rockered race skis like the Ultimate 65. The race skins are parallel cut and colored black like the night. The 75s & 82s are carved to match the sidecut of the skis.

  • Ultra-fast ptex-like material decreases resistance in the tip of the skins.
  • Less fur means ~10% reduction in overall weight, further enhancing your efficiency.
  • Grip Zone still covers most of the ski with 100% mohair.
  • Solid bungee tips and no tail clips for fast transitions.
  • The 62mm race skins are 163cm long and can be used with any race ski.
  • The 75mm skins are carved and 176cm long, perfect for the Ultimate 78.
  • The 82mm skins are also 176cm, not coincidentally the longest Ultimate 85.

Questions & Reviews

Patrick (downright abused product)
Compared with pomoca race skins and coltex PDG race skins, these are an ok option. The tip plastic is a cute idea that needs some refinement: it doesn't get the weight of the skin below my other race skins, so it loses one start for unnecessary complexity. The plush is on the longer side, so it has marginally more traction and less glide than the pomoca/PDG.

The second star disappears for the glue. It was initially ok during the first 5-10 uses-not amazing and more susceptible to failing when wet than pomoca glue, but still with reasonable hold that was easy to strip. After some use though, the glue got lumpy-bumpier and a lot less sticky. Pair that with a skin backing that isn't waterproof and these are now guaranteed to fail in wetter conditions.

Pros: Cut to shape. Ok tip attachment comes installed. Good grip.

Cons: Though cut to shape, need to be shortened. Lower glide. Premature glue failure. Unnecessary tip feature.
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Eric (downright abused product)
Part of my regular rotation of race and training skins. I like the Atomics and think the idea is quite good.

Pros compared to Pomoco/Colltex race: lighter and less bulky. Grip is quite good (and it is a wide skin). Glide is equal or better.
Cons: tearing in half possibility mentioned above. I used these as a vertical race skin only to avoid this issue. Glue failed relatively quickly. It ripped away from the skin bottom in large chunks. Especially on the ptex section. Solved easily enough with some colltex glue but still didn't last as long as I would have hoped.

I used them a lot training when I didn't need to do a fast skin rip every transition. You can cut them quite short to improve the glide. It would have been great to see the ptex glide section even larger area as the way it is is already plenty grippy.
Reply from Jonathan S
Surprising on the catastrophic glue failure: not even a hint of that potential on my pair. Ditto for the tear potential.
But agreed on how increasing the plastic length would help to implement the concept. That and a narrower 59 or 60 width.
Comment on this review:

Jonathan S (used product regularly)
Overall: Five Stars for a race skin with a typical race-style tip attachment system, good glue, the usual 100% mohair plush, a relatively stiff laminate that allows for clean deskinning, and a smooth plastic section in the shovel that seems to enhance glide noticeably on flatter terrain.

Background on product familiarity: I’ve used a pair of the 2014-15 skins for some initial training to break them in, and then for five races. I’ve also used half a dozen or so other pairs of mohair race skins, mainly various close-out models or black unidentifiable mohair of somewhat mysterious origins, but also the current Dynafit race skin.

First, the first impressions out of the box: If you’ve never seen a race-style bungee tip attachment, then you’ll be amazed at its brilliant simplicity, although the Atomic version of it is fairly standard for anyone already familiar with this.

The glue tack seems typical for a race skin. For a pure mohair skin, the laminate is relatively stiff. The plush fibers seem be the typical length. (Even though some other skins used by a buddy have felt more luxurious because of longer fibers, they seemed to be slower, at least at first.)

The tail sensibly lacks any tail clip that would just go to waste when you cut it off for racing. The dimensions are stated at 62mm by 163cm, so a bit wide and long: I cut them back (and rounded off the corners to avoid right angle prone to peeling) eight inches from the tail on my 163cm Hagan X-Race, and then also had to trim them slightly in the waist to expose the edges on my older 160cm x 64mm version of the same. Compared to a 2013-14 Dynafit 59mm race skin cut to the same length, only 0.1 oz lighter per pair.

Second impressions, in use: The tip attachment is fine -- the Dynafit rubber version is still my favorite, but the Atomic bungee is a bit stiffer and easier to grasp than any of my homemade version, so not that much different than the Dynafit rubber tip.

The glue has performed very well overall. At a race around 0F, for one transition I had to spend several more seconds pressing it on firmly, but it then held well. (For another race that was forecast to be far more brutally cold, I used a different pair instead.)

The relatively stiff laminate enhances clean and fast “rips” at transitions. Probably helps to prevent tail curling/unfurling too.
Grip seems typical for a straight mohair race skin. For a race with a very steep section where skinning straight up was pretty much impossible with race skins, I was resorting to the same mini-switchbacks etc. as the other dozen or so racers in sight. (For another race that I knew would have a far more extended steep section with very tricky snow conditions, I used a different pair instead.)

So now for the big issues: just how fast are they? I have trouble trying to distinguish among different models of mohair race skins. Three of us have previously tried some tests swapping our various skins back and forth, with one skin on one ski and one on another. Typically we come up with three different opinions, i.e., one faster, the other faster, and can’t tell. Add to that the potential variances in a natural product across different batches of the same model, plus the potential variances across different temperature and snow conditions, and I have even more excuses for ducking the central question …

But of the three other people who tried my skins in a side-by-side test, one thought the Atomic glide was noticeably better, and two couldn’t tell the difference. Personally, I’ve found them to be about the same on moderate pitches, but on very flat terrain I feel they have a noticeable advantage. Especially on totally flat or slightly downhill terrain, I’ve been able to double-pole like a nordic classic racer and get some real speed going.

If Atomic made this skin in a 59mm width instead of 62mm, I think it would be even faster. But since it isn’t any *slower* than the competition, Atomic has a big winner here, even if it isn’t the proverbial game changer.

Third impressions, for long-term durability: All pure mohair skins are expendable, eventually shedding their plush fibers to past the optimal glide stage in their life to becoming too slow as you’re trying to glide on large sections of bare laminate. But no problems so far. (As for the other reviewer’s problem with the connection between the plastic and mohair, on my pair this is very low profile yet very secured stitched together, so ripping this apart would seem to be almost impossible.)
Comment on this review:

Christian Nybø (used product a few times)
Although advertised to be precut to the Atomic Ultimate 65, the skins go the full length of the ski. This was a blessing in disguise, though, because on my first outing with them, I ripped off the ptex front of one of the skins in a transition from skinning to downhill. With the full length, I could use the regular mohair part as basis for a normal 140 cm skin.

All in all the "rocker fronts" may be a good idea, but Atomic seems to leave it to their customers to do the product testing. Not a big deal when the broken parts are usable, but a bummer for those who rip their skins apart in a transition in a race.
Reply from jbo
Hi Christian, a skin obviously shouldn't rip in half and this is something that is covered under warranty. I would send it back to your dealer.
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Model: Ultimate 65 / 78 / 85

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