Avenger Men's 11 inch Metatarsal Guard Carbon Nanofiber Toe Puncture-Resistant Waterproof Work Wellington

11 Inches in height 90° defined heel ASTM F2413 electrical hazard standard ASTM F2413 metatarsal guard standards ASTM F2413 protective toe classification ASTM F2413 puncture resistant standards Flex-welt construction Full-grain leather and man-made combination Internal metatarsal guard Lenzi® puncture-resistant plate Mark II slip resistant test results: Wet->1.00, Oily-0.55, Oily Wet-0.50 Non-metallic Nylon shank Removable dual-density Rebound insole Slip- and oil-resistant Toe & heel bumper Waterproof membrane Weight: 4.0 pounds per pair for a size 10 XRD® Material metatarsal guard for impact protection Outsole heat resistant 572 degrees F