The K2 women's Sapera Heat snowboard boot is resilient, comfortable, and packed with premium technology to keep your feet warm on the mountain. This lightweight mid-flexing boot features a Therm-ic Heating System with three (3) heat settings for customized comfort and an Articulating Cuff for an uninterrupted fit and flex. Throw in a heat-moldable liner for cozy comfort and the Boa Fit System for the perfect fit and the Sapera Heat is ready to make every day better than the last. Therm-ic Heating System - Integrated system with three (3) heat settings provide premium warmth for up to 19 hours on a full charge (takes about 7 hours to fully charge via USB cable)., Intuition Pro Foam 3D Liner w/ SpaceHeater - Most supportive, features high-density Intuition foam for extra support with internal/external J-Bars for more ankle support, and reflective heat blanket panels for extra warmth., Articulating Cuff Upper - Prevents pinching and allows the boot to flex naturally., Boa Coiler System - Provides a customizable precision fit with the turn of a dial., 3-Point Liner Lacing - Optimizes heel hold while providing ankle support and stability., Phy-Light Outsole - Durable and lightweight, with Harshmellow for cushioning with every step., Lacing Style: Boa, Snowboard Best Use: All-Mountain, Removable Liner: Yes, Flex: Medium, Warranty: One Year, Intuition Liner: Yes, Brand Lacing Style: Boa Coiler System, Snowboard Boot Fit: Performance, Model Year: 2019, Product ID: 911430, Shipping Restriction: This item is not available for shipment outside of the United States., Gender: Womens, Model Number: 19002248 5.0, GTIN: NA