Meets or exceeds ASTM F2412-05 and ASTM F2413-05 MT75 metatarsal impact resistant safety standards. Features Goodyear welt construction. Uppers feature non-metallic lacing systems. Internal anatomical contoured metatarsal guard featuring OrthoLite polyurethane and rubber. Features steel shank and OrthoLite open-cell polyurethane footbed. Maxum-Lite polyurethane outsole is lightweight, with exceptional cushioning, slip-resistant on high surface contact, oil-resistant, abrasion-resistant and features Ladder Lock outsole radius.