Seamless construction makes it 30% lighter and 100% tougher. Neo-Tech insulation keeps you warm and dry. BioGrip anti-slip outsole keeps you on your feet. You can find them all in one handy tool that fits comfortably on your feet. 100% waterproof Height: 12" Circumference at the opening: 15" Made with seamless construction 30% lighter and more durable Constructed with 7.5mm Neo-Tech waterproof insulation Rebound technology in midsole provides lasting comfort DuraFresh bio-technology activates to fight unwanted odours Bogs Max-Wick moves sweat away from your foot to keep you dry Contoured EVA footbed with gel cushioning Lightweight composite toe cap BioGrip slip resistant outsole Comfort rated to -72ºF/-60ºC