These waterproof Bogs boots keep you warm, dry, and comfortable. It is constructed with Neo-Tech waterproof insulation and Bogs Max-Wick moves sweat away from your foot to keep you dry. It has BioGrip slip resistant outsole that provides excellent traction and grip. DuraFresh natural bio-technology activates to fight unwanted odors. Perfect boots for all weather conditions. Bogs - Mesa Adjustable Calf