These 6-inch composite safety-toe boots are completely waterproof and feature a StepPropel™ footbed for shock absorption and energy return, a Vibram Fire & Ice outsole for optimal performance in any temperature, and ExoSpine™ technology for lasting structure, durability, and improved heel fit. Premium Waterproof Full Grain Leather Upper 6" Composite Toe Waterproof, Electrical Hazard Rated ASTM-F2413-18 Blood-Borne Pathogen Resistant Breathable and Moisture-Wicking Lining StepPropel™ Footbed Combination Three-Quarter Goodyear Welt/Cement Heel Construction Vibram® Fire and Ice Outsole Fiberglass Shank