RedHead Tundra Waterproof Insulated Hunting Boots for Men feature 600 gram Thinsulate Ultra Insulation with a removable Poliyou orthotic insole a compressionmolded lightweight EVA midsole and durable molded rubber outsole Cambrelle lining Color Realtree Hardwoods HDBrown Leather Imported 100 waterproof with GORETEX membrane Fullgrain leather and 900 denier nylon upper About Poliyou Orthotic Insoles Poliyou is breathable wicks moisture and absorbs odor with natural active carbon plus inhibits the growth of fungus and bacteria with AEGIS environmentally friendly antimicrobials