Original S.W.A.T. Men's Classic 6" Waterproof CST Work Boot 100% Leather Imported Rubber sole Electrical Hazard protection: exceeds ASTM F2412-11 and F2413-11 standards Airport friendly nylon shank for lightweight support and fatigue control Waterproof full bootie construction Blood borne pathogen resistant YKK waterproof side-zipper for easy on and off fit with Velcro closure