LACING H4 COILER BOA® FIT SYSTEM Impact-resistant, durable, and performance-driven, the H4 BOA® Dial ejects on severe impact and is easily re-inserted into the boot. LINER 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. INTERNAL & EXTERNAL J-BARS Adding J-Bars to a liner helps add structure and reduce heel lift. 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. CUSHIONING HARSHMELLOW™ INSOLE Freestyle-friendly single-density insole using Harshmellow™ from toe to heel for ultimate impact absorption. ROLLSOLE™ OUTSOLE RollSole Outsole design allows maximum medial mobility for tweaking grabs and, drop-knee turns. FLEX AND RESPONSE 4 out of 10 (1 Soft - 10 Stiff) FLEX ZONE UPPER CUFF The flex zone upper is designed to help retain a consistent flex pattern while reducing shell distortion when flexing. Articulating Cuff K2 Snowboarding Women's Haven BOA Snowboard Boot