Maelstrom Men's TAC FORCE 8 Inch Waterproof Military Tactical Work Boot with Zipper For every pair of Maelstrom boots we sell, we donate $1 to the Boot Campaign, a non-profit organization dedicated to providing life improving programs for veterans and military families nationwide to bridge the divide between military life and civilian life. Polish-able leather and nylon upper. Dri-Lex breathable waterproof membrane liner with a full bootie construction (Guaranteed Waterproof). Slip, oil-resistant rubber outsole Removable high performance shock-absorbent cushion insert for all day comfort. Padded collar and tongue for extra comfort Lightweight, shock-absorbing moulded midsole. Athletic cemented construction YKK heavy duty side zipper with closure for fast on and off. Composite shank for stability and support One year manufacturer warranty