Women's-Specific True Fit Design LACING: Speed Zone Lacing System for True Zonal Lacing Control LINER: Imprint 1 Liner with Integrated Lacing CUSHIONING: DynoLITE Outsole with NEW Sleeping Bag Reflective Foil FLEX AND RESPONSE: Soft Flex Tongue COMFORT: Total Comfort Construction, Snow-Proof Internal Gusset, and Level 1 Molded EVA Footbed The World's Bestselling Women's Boot 11 Years Running