Features of the Bogs Men's Bedrock 8 Inch Comp Toe Insulated Boot 100% Waterproof 90Adeg 5/8in. heel Rebound cushioning provides lasting comfort Seamless heel Outsole construction for enhanced durability BioGrip Outsole combines ASTM standard slip and chemical resistance DuraFresh bio-Technology that activates to fight odors Bogs Max-Wick and EverDry move sweat away to keep your foot dry Flex width insole adapts to foot width Available with asymmetric composite toes that Are custom built for each size and to meet CSA standards 3mm Neo-Tech Insulation for sub zero temps Rebound Footbed with stabilization plate for stability and support Comfort rated to -52AdegF/-47AdegC