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K2 Snowboards
Ultra Split Splitboard

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Featherweight performance for backcountry exploration.

Go beyond merely earning your turns and enjoy the entire experience, from skinning up to ripping down, with the lightweight, pow-surfing performance of the K2 Ultra Split Splitboard. Claimed to be the lightest splitboard on Earth, the Ultra Split weighs an astounding 3.3-pounds lighter than the industry standard when it's equipped with K2's groundbreaking Kwicker step-in system. In fact, this board forgoes a topsheet altogether to eliminate excess weight for easier skinning.

Made to work with K2's Kwicker Tech (it also works with traditional split interfaces), the Ultra Split delivers a 50% faster transition time when it's equipped with K2's Kwicker step-in bindings. Ultimately, this means less hassle when you're switching from touring to riding mode, allowing for more riding time and no more frozen fingers. Essentially, the K2 Kwicker system is a step-in binding system that eliminates separate bindings and binding plates. All you have to do is simply pop the binding off its hinge (when it's in touring mode), slide it over your pre-mounted pucks, and lock it into place. Voila! You're now ready to step into the binding with your K2 Stark, Compass, or Arrow boots (sold separately).

From steep couloirs to wide open bowls, the Ultra Split is ready for hard-charging backcountry action with its rocker-flat hybrid profile and pow-friendly, directional shape. The board itself is set-back 3/4 of an inch for enhanced float. Combined with the large, spoon-like Tweekend tips and along, rockered nose, this board effortlessly floats through deep powder. Its predominately flat shape extends just past both binding inserts for easier skinning (when compared with fully rockered shapes) and a neutral-feeling ride that grips hardpack and sketchy snow when needed.

Inside the Ultra Split, you'll find an ultra-tough Bambooyah Split core that's made with horizontally laminated bamboo for nearly unbreakable strength and a snappy flex. In addition to the Bambooyah Split core, this board features ICG 20 carbon stringers and a Carbon Web for enhanced response when you're pointing it down sketchy terrain and can't afford to make a wrong move. Rounding out the board's impressive features, the sintered base brings an ultra-fast glide over a wide variety of snow conditions encountered while backcountry riding. Whether you've just completed your first avalanche safety course or you're a certified guide, the Ultra Split delivers the lightweight performance and convenience you want for backcountry exploration.


  • Flat profile, long rocker in nose, short rocker tail
  • Directional twin shape
  • UltraTech construction
  • Split Track binding mounting system
  • Z-Clip skin mounting system
  • ICG 20 carbon-infused fiberglass
  • Carbon Web II stringers
  • Bambooyah Split core
  • Sintered base
  • Item #K2S006Z
155 cm, 158 cm, 161 cm, 164 cm
All Terrain Baseline with Tweekend nose (flat underfoot with long rocker at nose, short rocker at tail)
Effective Edge
[155cm] 1083 mm, [158cm] 1116 mm, [161cm] 1142 mm, [164cm] 1167 mm
Waist Width
[155cm] 249 mm, [158cm] 251 mm, [161cm] 253 mm, [164cm] 255 mm
Sidecut Radius
[155cm] 7.7 m, [158cm] 7.8 m, [161cm] 7.9 m, [164cm] 8 m
Stance Setback
0.75 in
K2 Split Track (compatible with Voile system)
Bambooyah Split
ICG 20 (carbon integrated with fiberglass)
Ultra Tech (sidewall-cap blend)
Recommended Use
backcountry touring
Manufacturer Warranty
2 years