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The K2 Boundary follows a tried-and-true formula that delivers on its promise of being a snowboard boot you’ll love from the first time you put it on. It nails the sweet spot for freestyle and all-mountain snowboarders who prioritize flex, comfort, and fit.
The K2 Boundary snowboard boot features a dual-zone closure with BOA® Fit System to micro-tune your fit. A dedicated BOA® dial for the upper shell and a second dial dedicated to closing the lower part of the shell. The upper cuff of the boot is constructed with our HDR Premium Synthetics.
It features a fully articulating design, upping the durability factor while reducing the distortion of the shell as it flexes forward. Inside, a supportive three-point harness is integrated into the shell, wrapping itself around a thermoformable Intuition® Control Foam 3D liner for the ultimate fit.
Underfoot, our proprietary This Grips!™ rubber outsole provides excellent grip while hiking, boot packing, and walking across icy parking lots and sits atop a dual-density midsole. This midsole features a lightweight EVA material and is complemented with our Harshmellow™ damping material to cushion your bones and reduce fatigue after long days on the hill.
3-Point Harness Liner Lacing
A traditional liner harness with a pull lace and three contact points hugs the ankle to provide additional support and unrivaled stability to help reduce fatigue.
TX3 BOA® Lacing
A softer lace explicitly made for snowboard boots that provides a more even fit over the body of the boot shell versus a steel lace.
Articulating Upper Cuff
Articulating Upper Cuff - Independent upper cuff articulation delivers a distortion-free flex.
Internal & External J-Bars (Liner)
Adding J-Bars to a liner helps add structure and reduce heel lift.
Intuition® Control Foam 3D Liner
Heat moldable medium and high-density Intuition® foam forms to the exact shape of your leg, ankle, and foot for superior fit, warmth, and comfort.
This Grips!™ Premium Rubber Outsole with Harshmellow™
Premium dual-density rubber outsole featuring K2’s proprietary This Grips!™ compound. Taking inspiration from modern skate footwear, our new cupsole outsole features a rounded heel for less drag while hiking, a wrapped arch for support and stability, & vibration damping Harshmellow™ in the heel and forefoot.
Harshmellow™ Insole
Freestyle-friendly single-density insole using Harshmellow™ from toe to heel for ultimate impact absorption.
HDR Premium Synthetics
Eight times more durable than a standard polyurethane material, HDR Premium Synthetics is a proprietary synthetic durable finish designed for extreme conditions. The dynamic resin system provides exceptional abrasion and durability performance well beyond standard synthetic materials.
H4 Coiler/M+2 Zonal BOA® Fit System
A cable and reel based lacing system that creates even tension and easy lacing operation. This system features low friction guides for even tightening. BOA® Coiler works to automatically retract lace slack so your boots stay nice and neat.
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MEN'S US |
WOMEN'S US |
UK ADULT |
EURO ADULT |
CM |
|
5 |
6 |
4 |
36.5 |
23 |
|
5.5 |
6.5 |
4.5 |
37 |
23.5 |
|
6 |
7 |
5 |
38 |
24 |
|
6.5 |
7.5 |
5.5 |
39 |
24.5 |
|
7 |
8 |
6 |
39.5 |
25 |
|
7.5 |
8.5 |
6.5 |
40 |
25.5 |
|
8 |
9 |
7 |
40.5 |
26 |
|
8.5 |
9.5 |
7.5 |
41.5 |
26.5 |
|
9 |
10 |
8 |
42 |
27 |
|
9.5 |
10.5 |
8.5 |
42.5 |
27.5 |
|
10 |
11 |
9 |
43.5 |
28 |
|
10.5 |
9.5 |
44 |
28.5 |
|
|
11 |
10 |
44.5 |
29 |
|
|
11.5 |
10.5 |
45 |
29.5 |
|
|
12 |
11 |
46 |
30 |
|
|
12.5 |
11.5 |
47 |
30.5 |
|
|
13 |
12 |
48 |
31 |
|
|
14 |
13 |
49 |
32 |
|
|
15 |
14 |
50 |
33 |
