These CA9528 Carolina Men"s Insulated Waterproof Safety Boots in Brown are rugged, heavy-duty work boots made with 800 grams of insulation for cold weather applications. Its non-metallic toe cap is lightweight and provides reduced cold temperature transfer. The 100% Waterproof Membrane provides dry feet for all day comfort. Insulated and fully waterproof makes these boots ready for work.8" Kharthoum Cigar Leather 100% Waterproof Membrane Taibrelle Lined 800 Grams Insulated Poron Insole Removable AG7TM Polyurethane Footbed Heavy Duty Steel Linesman Shank Composite Safety Toe Electrical Hazard Rubber Outsole CA9528 Carolina Men"s Waterproof Safety Boots - Brown