The Rocky BearClaw 3D 9" Realtree AP Cold Weather Boot is made of Durably waterproof and breathable Gore-Tex fabric, 1000 grams of Thinsulate Ultra insulation, full-grain leather, and durable nylon. It has the Air-Port cushion footbed which circulates air with every step, and the BearClaw 3D outsole with exclusive Rocky 3D welt construction.