LaCrosse Men's 18" Alpha SST Hunting Boot 100% Rubber clad Neoprene Rubber sole SST (Scent Suppressing Technology) made of 100% waterproof rubber-clad naturally insluating neoprene has a scent free exterior Removable scent-eating gator traps eat away odor-forming bacteria Plain toe 1200G Thinsulate Insulation for warmth Nylon Shank for arch support