Women's-Specific True Fit Design LACING: NEW Boa Coiler Closure System LINER: Imprint 2 Liner Powered by NEW 3M Thinsulate Insulation with Lock-Up Cuff, Velcro Closure, and Plush Cuff 1.0 CUSHIONING: Lightweight, Low-Profile EST Optimized Midsole with B3 Gel and NEW Sleeping Bag Reflective Foil FLEX AND RESPONSE: Soft-Flexing Shell Materials and NEW 1:1 Soft Flex Tongue COMFORT: Total Comfort Construction, Snow-Proof Internal Gusset, and Level 1 Molded EVA Footbed