Original S.W.A.T. Men's H.A.W.K. 9 Inch Side-Zip Military and Tactical Waterproof Boot 100% Leather/Synthetic Imported Rubber sole H.A.W.K. outsole: lightweight, arch ladder grips, toe grips for climbing, oil resistant, non-marking rubber, exceeds the ASTM F2913-11 safety standards for slip resistance Flex-Lite Support System build technology Exclusive airport-friendly Flex-Lite molded nylon stability board with torsional support ridges for the ultimate in lightweight, flexible support and performance Speed lace performance hooks at top 3 eyelets Waterproof full bootie construction