Frye Supply Safety-Crafted 6" Waterproof Work Boots The Men’s Frye Supply Safety-Crafted Work Boots bring heritage-inspired craftsmanship to a protective six-inch design. A steel safety toe, electrical-hazard protection, and Hydrotex® waterproofing prepare the boots for demanding conditions, while Goodyear welt construction adds long-lasting durability. From concrete and construction work to electrical and maintenance projects, the slip-resistant outsole, defined heel, and moisture-wicking lining help you stay comfortable and steady throughout the day. Workplace Ratings: ASTM F2413 steel-toe protection; Electrical Hazard (EH) protection; slip-resistant outsole meets ASTM F3445 requirements.