Shrinkage Footprint Reduction Technology LACING: NEW Boa Coiler Closure System LINER: Imprint 1 with Integrated Lacing CUSHIONING: DynoLITE Outsole with NEW Sleeping Bag Reflective Foil FLEX AND RESPONSE: Medium Flex Tongue COMFORT: Total Comfort Construction, Snow-Proof Internal Gusset, and Level 1 Molded EVA Footbed