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Triaxial Braiding
Triaxial braiding consists of braiding fiberglass around a wood core to provide torsional rigidity for added control. Developed in 1988 by K2 engineers, the patented triaxial braiding machine interlocks strands of fiberglass around a milled wood core. While flex and torsion vary depending on the wood, Triaxially braided skis share the common traits of ease, forgiveness, responsiveness, and energy in both expert and entry level skis. -
Cap Construction
Durable and lightweight “cap” skis are built by a sophisticated molding process that envelopes the core and internal materials with the top layer of the ski. Used throughout our ski line, cap constructions can be assembled with a variety of different cores. These variations, such as glass and/or metal materials, are the determining factors of the skis’ performance. -
SnoPhobic Topsheet
Snow collecting on a ski can add weight to a climb. Our SnoPhobic tops keep you light with a new snow-repellent topsheet. The running surface along the bottom of a ski is hydrophobic by design, so we've developed a thinner version of the same material to use on the Back model-specific topsheets. Applying wax to the topsheet increases snow shedding performance. -
Skin Clip Arc
The tails of our Adventure skis are designed with a concave notch to ensure that the skin clip, regardless of size or skin brand, stays securely centered on the tail. -
Flat Tails
All Adventure skis come with flat tails, providing backcountry utility by allowing you to plunge the tails easily into firm snow. -
Tip and Tail Holes
Holes in the tip and tail are not only the attachments points for K2 skins, but they also fit the functional needs of a backcountry skier including the ability to build a rescue sled or construct various ski anchors. The holes are equipped with removable plugs. -
BIO Core Tech
For backcountry skiers conscious of their caloric and environmental output, our Adventure skis use a blended core of aspen, bamboo, and Paulownia, (a reforestation plantation tree similar to bamboo) that has consistent density, great strength-to-weight ratio, and fast-growth carbon-sequestration. The core is just one component of the ski, but the result is 15% weight savings over our traditional fir/aspen cores and a lessened footprint, reducing the impact of the ski on you and the winter world. -
Powder-Specific Tip Design
The widest point of a powder tip is 7cm back from the standard contact point. The design adds stability and predictability while skiing and is less likely to hook or grab in light crusts or variable conditions. -
Progressive Sidecut
Progressive sidecut is a combination of two different radii, or sidecuts, that enhance the versatility of wider-waist skis. Standard sidecut theory is based on using a single radius. This works well on narrower skis, but becomes overpowering on wider skis, especially in variable conditions. The use of progressive sidecut on wider-waist skis guarantees improved turn initiation and hard-snow performance. -
All Terrain Rocker
ROCKER: Easy initiation, versatility, agility
CAMBER: Control, edge hold, rebound
All-Terrain Rocker features an elevated tip for variable and soft snow performance, as well as camber underfoot for power, energy, and edge-hold in firmer conditions.
Simply put, All-Terrain Rocker offers versatility and ease in all snow conditions.
REVIEW SNAPSHOT®
by PowerReviewsPros
- Great flotation (14)
- Lightweight (12)
- Good grip (11)
- Smooth ride (8)
- Durable (7)
Cons
Best Uses
- Downhill (12)
- Powder (12)
- Moguls (3)
- Powder skiing (3)
- Telemarking (3)
- Reviewer Profile:
- Advanced (5), Competitive skier (4), Competitive athlete (3)
- Was this a gift?:
- No (6)
REVIEWS
Reviewed by 16 customers
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Displaying reviews 1-10
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Pros
- Good Grip
- Great Flotation
- Lightweight
- Smooth Ride
Cons
Best Uses
- Groomed Terrain
- Powder Skiing
Comments about K2 Skis COOMBAck:
These might be the ultimate western big mountain ski and are certainly worthy of their namesake. I ski mainly in the Tahoe area where conditions range from light and deep to wind-buff to frozen coral reefs and these babies never waver inspiring confidence in all conditions and terrain. Click into a pair of these and make Doug, and yourself, proud.
- Was this a gift?:
- No
Pros
- Durable
- Great Flotation
Cons
- Heavy
Best Uses
- Backcountry
- Powder Skiing
- Telemarking
Comments about K2 Skis COOMBAck:
I find it amusing when people write a negative review for a ski (or any product) that they use outside it's true design purposes. The COOMBAck is built for the backcountry, which means resort-skiers' reviews (unless based solely on powder or off-piste performance) should be taken with a grain of salt.
Softer snow is definitely more friendly for this ski, evident through their ability to make quick turns in shin-deep powder. Overall they are fairly responsive to Tele turns despite their profile. When it comes to harder-packed snow, they can be difficult to handle, but not nearly as bad as fatties like the BD Justice or Megawatt.
Bottom Line: if you're a backcountry addict who likes dropping the knee on the soft stuff (or just wants a more-forgiving powder experience), these skis are what you're looking for if weight isn't your highest priority.
- Was this a gift?:
- No
Pros
- Good Carving Ability
- Good Flotation
- Lightweight
- Smooth Ride
- Stable at speed
Cons
- Hard Pack
- Moguls
Best Uses
- Crud
- Downhill
- Groomed Terrain
- Powder Skiing
Comments about K2 Skis COOMBAck:
The first two days I used the Coombacks were Powder Days and they were good in the powder but they excelled in the crud. The next couple of days I skied them on soft groomed and made railroad track turns. Then I tried them on a NASTAR course and I got a Platinum with a 15 handicap. I am a 63 year old male and I was a little worried about the width of the ski but after a couple of runs they turned out to the best ski I have ever skied. They are sooooo easy to ski.
- Was this a gift?:
- No
Pros
- Stable except in packed
Cons
- Heavy
- Only good in untracked
- Poor Flotation
- Poor Grip
- Poor Ride
Best Uses
- Downhill
- Light Powder
- Powder
Comments about K2 Skis COOMBAck:
This Coomback skis like a typical cap ski with flex patterns that are the same throughout the ski. That makes it marginal in crud, which is most skiing after 10 AM on a pow day. They were awful on hard packed snow. BTW, I skied them in Vail, where I rented them and one other K2 ski. They're OK; I was expecting something really hot, since it was named after Doug...
- Was this a gift?:
- No
Pros
- Good Carving Ability
- Good Grip
- Great Flotation
- Lightweight
Cons
Best Uses
Comments about K2 Skis COOMBAck:
How can people drive to the station, open their trunk and have three pairs of skis in there to decide which pair of skis they are going to take on the hill? (and the choice is always wrong:)) Just take the Coomback and you don´t need anything else! I tried these skis in Austria on a glacier after a Fischer Slalom Ski and the Icegrip was as good as the Slalom-Ski. On the next day I rode some powpow and I have to say, the rocker construction works awesome. You don´t need a 120 - 140mm ski to enjoy powder! Just one ski in the trunk? No Problem with the CoomBack.
- Was this a gift?:
- No
Pros
- Good Grip
- Great Flotation
- Lightweight
- Scratch Resistant
- Smooth Ride
Cons
- Poor Grip
Best Uses
- Downhill
- Powder
Comments about K2 Skis COOMBAck:
Day four on these 2010/2011 skiis
Ski at Whistler/Blackcomb
Fritishi Freeride Pro Bindings - Skins are hard to come by, I haven't been able to find a set for sale, yet. Great ski in the backcountry, cut up powder, so so on the groomers. Just don't keep them on edge too long on the hard stuff. If they start to chatter, roll them over to the other edge. Try not to stay on a edge for too long on the icy stuff to avoid the chatter, quick turns are best.
- Was this a gift?:
- No
Pros
- Durable
- Good Grip
- Great Flotation
- Lightweight
- Smooth Ride
Cons
- Unstable at speed
Best Uses
- Alpine Touring
- Downhill
- Powder
- Ski Mountaineering
Comments about K2 Skis COOMBAck:
I've skied the Coomback 188's for a year now. They are great alpine touring and ski mountaineering units. Because of the rocker the break trail really well and climb efficiently. The straight tails are a huge plus in ski mountaineering. They are fairly versatile as well but would not be my pick on icy descents. On really hard snow/ice they have a top speed of about 25mph. After that they chatter and become totally unstable.I think this is the trade off for the lightness. Although I love skiing longer skis, the 188's are a bit too long for me(5'11") to do kick turns easily while skinning. All in all this is a great adventure ski.
Pros
- Good Carving Ability
- Good Grip
- Great Flotation
- Lightweight
- Smooth Ride
Cons
Best Uses
- Downhill
- Moguls
- Powder
Comments about K2 Skis COOMBAck:
After getting a pair of Sidestashes and Darksides in the 2009/2010 season I finally got a season-end-sale on these and mounted them with a spare pair of marker dukes that I had on my old coombas that start falling apart. I had the opportunity to test them in Stryn, Norway, when the summer resort opened up in June 2010. Stryn in the early Season 2010 had all the conditions you could imagine: a bit of fresh, tracked soft snow, wind-blown, chunky, icy patches where exposed to wind, wet summer snow at the bottom of the glacier, wide fields of nice surfy soft snow that you will only find up there in Norway and fairly steep chutes with wind-blown snow that were accessible with a short hike.
The ski is basically the old Coomba with subtle tip rocker. The rocker is longer than it is with the sidewall and metal laminate models, but with less rise. This makes it a tad more floaty than the Coombas of old, without really sacrificing the edge-grip.
It has a bit of a speed-limit compared to the Sidestash or Hardside due to the softer flex with no metal and less camber (especially the Hardside has noticeably more camber starting after the tip rocker), but you can still charge. However, it is almost as floaty as the 6mm wider Sidestash and about 200 grams ligther per Ski (in the same length). And this is imo the "secret" of this ski: It is the mix of light weight, dampness, sufficient stiffness, but also foregiveness that makes this ski so versatile and easy to use. Whenever conditions get really nasty, this ski won't let you down. When you are skiing something steep, doing precise jump-turns or you are skiing wet and heavy snow you simply forget about having a mid-fat 102mm waisted ski on your feet. They simply turn on a dime. This would always be my first choice if I could only bring one pair of skis on a trip and didn't know what to expect!
Pros
- Durable
- Good Grip
- Great Flotation
- Lightweight
- Smooth Ride
Cons
Best Uses
- Downhill
- Powder
Comments about K2 Skis COOMBAck:
Coomback is the best solution for all ski conditions, best for freeride ski
Pros
- Great Flotation
- Lightweight
- Smooth Ride
Cons
Best Uses
- Downhill
- Powder
Comments about K2 Skis COOMBAck:
I skied these for the first time last week at Alta. Way better than the atomic & Rossi i had been riding! Rest in peace DC......
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COOMBAck
Built with All-Terrain Rocker
This item is currently unavailable through our website
Size ChartSizes: 167, 174, 181, 188
Radius: 22m @ 174
Construction: Triaxial Braided, Cap, Fir/Aspen
Weight: 1800g
Features: Powder Tip, Progressive Sidecut, SnoPhobic Topsheet, Carbon Web, Tip and Tail Holes, Pre-Cut Skins Available

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