Ready to log some OT at a work site near you! For those who need the protection of a work boot, but don't want the extra weight, these are a rare breed of lightweight comfort and durability. Tough-but-lightweight nylon and leather uppers. 100% waterproof / breathable membrane for sure-dry comfort. Composite safety toe meets ASTM F2413-11 EH standards for protection. Oil, chemical and slip-resistant outsole. Polyurethane strobel pad and cushion insole for added shock absorption. Cement construction makes for a lightweight, flexible fit.