Features of the K2 Women's Kinsley SnowBoard Boot Zonal BoaA(R) closure system, a heat moldable IntuitionA(R) Control Foam 3D Liner and a 3-Point Harness for those that like to fine-tune every aspect of the Fit of their SnowBoard boot Focus and Zonal BoaA(R) Lacing: A two reel BoaA(R) system that allows for the Upper and lower zones of the boot to be tightened independently IntuitionA(R) Control Foam 3D Liner: Built with a blend of High and medium Density IntuitionA(R) foam. Features internal and external J-Bars and a 3D molded EVA insole built to provide all-day comfort and support. Boot Upper: Flex Zone, HDR Premium Synthetic 3-Point Harness Liner System: Straightforward solution that doesn?t skimp on support. This system aims to optimize heel hold, while providing ankle support and unrivaled stability to help reduce fatigue. Rubber Light Outsole: Full rubber bottom for maximum grip, durability, and impact absorbing Harshmellow(TM) Technology Harshmellow(TM): Dampening system that replaces industry standard foam dampening materials. Dampens the specific target vibration for each product and works to create the smoothest ride imaginable.