BOUNDARY

The K2 BOUNDARY is an all mountain snowboard boot built for riders who want versatility across freestyle and the whole mountain. Its dual-zone BOA® lacing system lets you adjust the upper and lower shell independently, delivering a precise, progressive fit in any snow condition.

The articulating upper cuff in HDR Premium Synthetics reduces shell distortion when flexing forward, while the heat-moldable Intuition® Control Foam 3D liner shapes itself exactly to the foot and leg for a warm, stable fit. The This Grips! outsole with Harshmellow cushioning adds grip and impact absorption both on the hill and while walking around the resort.

FEATURES

• Dual-zone BOA® lacing with H4 Coiler dial on the upper shell and M+2 Focus on the lower shell
• Articulating upper cuff in HDR Premium Synthetics, eight times more durable than standard polyurethane
• Heat-moldable Intuition® Control Foam 3D liner with internal 3-point harness lacing
• Internal and external J-Bars in the liner to reduce heel lift
• This Grips! dual-density rubber outsole with Harshmellow cushioning
• Single-density Harshmellow insole for maximum impact absorption
• Medium flex geared toward freestyle and all mountain riding

SPECIFICATIONS

GENDER

Men's

FLEX

Medium (6 out of 10)

SIZE RANGE

US 7 to 13 (EU 39.5 to 48)

LAST WIDTH

Medium / standard

LACING SYSTEM

Dual-zone BOA® (H4 Coiler upper + M+2 Focus lower) with BOA® TX3 inner liner lace

USE/DISCIPLINE

All Mountain / Freestyle

MATERIAL

OUTER SHELL

HDR Premium Synthetics with articulating upper cuff

INNER LINER

Heat-moldable Intuition® Control Foam 3D with internal and external J-Bars

OUTSOLE

This Grips! dual-density rubber with Harshmellow cushioning; single-density Harshmellow insole

APPROX. WEIGHT: 1,225 g PER BOOT

TECHNICAL INFORMATION

• BOA® H4 Coiler / M+2 Focus Fit System - A cable and dial lacing system that spreads tension evenly across the shell. The H4 dial controls the upper shell and ejects on a hard impact, snapping back in easily, while the M+2 Focus dial adjusts the lower shell independently for a personalized fit across each zone of the foot.
• HDR Premium Synthetics - K2's proprietary synthetic material, eight times more durable than standard polyurethane. Its dynamic resin system delivers abrasion resistance well beyond conventional synthetics, and on the upper cuff it pairs with an articulating design that reduces shell distortion when flexing forward.
• Intuition® Control Foam 3D Liner - Heat-moldable medium and high-density foam that molds to the exact shape of the leg, ankle, and foot. It integrates a 3-point harness that wraps the heel for extra hold, plus internal and external J-Bars that add structure and reduce heel lift during flex.
• This Grips!™ Outsole with Harshmellow™ - A premium dual-density rubber outsole with a rounded heel and wrapped arch that improve stability while walking. Harshmellow cushioning in the heel and forefoot absorbs vibration and impact, cutting down on fatigue after long days on the hill.