The Adrenaline BOA Boot takes the already successful Adrenaline Boot and adds the convenience, ease and compression of a dual BOA system. 'Featuring the latest in GORE-TEX and 3M Insulation, the Adrenaline BOA offers the best boot in the segment. GORE-TEX GUARANTEED TO KEEP YOU DRY? GORE-TEX protects insulation from water 3MThinsulateinsulationLeather upper w/ reinforced rubber toe & heel Michelinrubber outsole for grip & durability BOAdual-zone lacing system for fast precision fit BOAH4 coiler system & durable SS2 lace BOAdial & lace warranty guarantee Breakaway dial failsafe prevents breakage Open lacing system sheds ice and debris Molded tongue and sequence lacing distributes closure force evenly Durable midsole with walking comfort Removable moisture wicking Ortholiteinsole Breathable, moisture-wicking liner Half-size insert for adjustable fit D-ring for pant leg retention Entry assist heel loop Women?s sizing: size down 2 from men?s