Fit + Tech
K2 Antidote Unisex Snowboard 2027
6 Sizes (3 Std + 3 Wide)
Unisex
Adv–Expert
Size Chart
| Size (cm) | Eff. Edge (cm) | Tip / Waist / Tail (cm) | Sidecut (m) | Stance (in) | Setback (in) | Wt Range (lb) | Wt Range (kg) |
|---|---|---|---|---|---|---|---|
| 154 | 117 | 29.4 - 24.9 - 29.4 | 9.2 / 6.6 / 9.2 | 21" | 0.75" | 120 - 190+ | 54 - 86+ |
| 157 | 119 | 29.8 - 25.2 - 29.8 | 9.4 / 6.8 / 9.4 | 21" | 0.75" | 120 - 190+ | 54 - 86+ |
| 158W | 121 | 30.8 - 26.2 - 30.8 | 9.5 / 6.9 / 9.5 | 22" | 0.75" | 130 - 210+ | 59 - 95+ |
| 159 | 121 | 30.1 - 25.5 - 30.1 | 9.5 / 6.9 / 9.6 | 22" | 0.75" | 130 - 210+ | 59 - 95+ |
| 161W | 123 | 31.2 - 26.5 - 31.2 | 9.7 / 7.1 / 9.7 | 23" | 0.75" | 140 - 230+ | 64 - 104+ |
| 163W | 124 | 31.5 - 26.7 - 31.5 | 9.8 / 7.2 / 9.8 | 23" | 0.75" | 140 - 230+ | 64 - 104+ |
Real per-size spec data pulled directly from the K2 product page. 6 sizes: 3 standard (154, 157, 159) for riders in the 120-210 lb range, and 3 wide (158W, 161W, 163W) with wider waists (26.2-26.7 cm vs 24.9-25.5 cm) for riders with US boot size 11+ to prevent toe/heel drag. All sizes share a 0.75" setback for the directional twin float, with stance widths scaling from 21" (shorter lengths) to 23" (longer lengths). Sidecut uses K2's standard 3-stage pattern with larger sidecut radii at the tip/tail for stability and tighter contact points for responsive edge-to-edge transitions.
Component Breakdown
The Leader in Backcountry Freestyle
The Antidote sits at the top of K2's backcountry freestyle line — built for advanced-to-expert riders whose style blurs the lines between freeride and freestyle. From resort charging to the heaviest of freestyle features, the Antidote is designed to handle whatever the rider throws at it.
Directional Twin Shape
"This directional twin is strapped with technology" — the Antidote uses a directional twin shape that combines the freestyle-friendly feel of a true twin with the performance and float of a directional board. The result is a board that rides switch, floats in powder, and charges hard on groomers.
SpaceGlass™ Tip and Tail
"Our patented SpaceGlass™ technology found in the tip and tail. Weight reduction and a more rigid material allows for quicker spins and better edge pressure at the contact points." The SpaceGlass tech in the tip and tail reduces weight and adds rigidity where it matters most — for quicker rotations off jumps and more responsive edge pressure through carves and turns.
Recess3D Technology
"Recess3D technology removes excess material from the board, minimizing swing weight and chatter while also adding visual depth to the top sheet." Recess3D carves out material from strategic areas of the board, reducing swing weight for easier spins and less chatter at speed. The visual depth also adds a premium look to the topsheet.
3D Base Contour
"The Antidote's most defining feature is its 3D Base Contour. Just 3mm of contour with 3D shaping deflects snow, eases turn initiation and plows through chunder when things get hectic." The 3D Base Contour is a subtle 3mm shaping along the base that deflects snow, makes turn initiation easier, and plows through chunder when conditions get tough — a more "catch free" ride.
K2 Quality
Built by K2 — one of the most trusted names in snowboarding — the Antidote reflects the company's commitment to innovation, quality, and pro-level performance. The combination of SpaceGlass, Recess3D, and 3D Base Contour represents the premium choice for advanced-to-expert freeride and freestyle riders.
Mounting & Compatibility
- Mounting: 2x4 insert pattern (compatible with all major binding mounting systems, including Channel with adapter)
- Binding compatibility: Works with all standard snowboard bindings (no specific binding required)
- Stance: Directional twin stance (setback for directional float, switch-friendly for freestyle)
- Use: Freeride / Big Mountain / Freestyle / Powder / Piste / Speed (versatile all-mountain freestyle)
In the Box
- 1× K2 Antidote Unisex Snowboard 2027 (selected length: 154/157/159 standard or 158W/161W/163W wide)
- SpaceGlass™ Tip and Tail (patented — weight reduction + rigidity)
- Recess3D Topsheet Technology (minimized swing weight and chatter)
- 3D Base Contour (3mm contour for catch-free ride and chunder plowing)
- Manufacturer's care instructions
- K2 quality assurance (snowboard-specific warranty)
Rider Profile
Flex Rating
Best For
Freeride, Big Mountain, Freestyle
Skill Level
Advanced – Expert
Available Lengths
154, 157, 159, 158W, 161W, 163W (6 sizes)
The Leader in Backcountry Freestyle — "We delivered the board our team riders always wanted with the Antidote. Targeted at advanced-to-expert level riders whose style blurs the lines between freeride and freestyle. From resort charging to even the heaviest of freestyle features, the Antidote can handle whatever you throw at it." Directional Twin Shape + SpaceGlass™ + Recess3D + 3D Base Contour. 6 sizes (3 standard 154/157/159 + 3 wide 158W/161W/163W) — unisex sizing designed for the rider who wants a board that handles whatever you throw at it.
Prepared with intention.
Every product is carefully inspected and handled by our team before it ships. From fit and function to final details, we make sure each piece is ready for the outdoors ahead—so you can focus on the experience, not the gear.
Passion drives us
At SpokeX Bike Co., bikes aren't just our business — they’re our way of life. As a rider-owned and operated shop, every decision we make comes from firsthand experience on the trail, at the race, and on the open road. We know what it’s like to chase a new line, push through the pain cave, and celebrate the ride — because we live it every day.
