The Bogs Bozeman was awarded 'Best Winter Boot' by Outside Magazine and for good reason. It features a seamless construction that is 33% lighter and more durable than other boots. The Bozeman also has REBOUND technology in the outsole that delivers comfort while the BioGrip outsole provides slip resistance. This boot is constructed 7.5mm Neo-Tech 100% waterproof insulation and comfort rated to an amazing -72F/60C. Inside are dual footbed made of dual density EVA, Ortholite, and DuraFresh for optimal comfort.