It doesn't matter if you are running pinned on a frozen lake or carving in off trail powder this boot can handle it. SHELL/CONSTRUCTION GORE-TEX GUARANTEED TO KEEP YOU DRY? GORE-TEX protects insulation from the elements 3MThinsulateinsulation - 800G Michelinrubber outsole for grip & durability BOAfit system for fast precision fit BOAH4 coiler system & durable SS2 lace BOAdial & lace warranty guarantee Molded tongue and sequence lacing distributes closure force evenly Open lacing system sheds ice and debris Durable midsole with walking comfort Removable moisture wicking Ortholiteinsole Breathable, moisture-wicking liner Half-size insert for adjustable fit Reinforced rubber toe and heel D-ring for pant leg retention Entry assist heel loop