Justins® Original Work Boots- Gore-Tex® Collection. Features an aged bark leather, a 90º heel, lace-up closure and kiltie accent. They have the Gore-Tex® Waterproof Technology, the Double Comfort® System insole for supreme comfort and support, the oil, slip and heat resistant Polyurethane outsole and the ASTM/Electrical Hazard Rated Safety Steel toe. Made in the U.S.A. Justin boots are made larger than regular shoes. If you don't know your size please call 1-800-444-6481 and ask for further assistance.