Blundstone Men's 917 Metatarsal Safety Boot 100% Leather Imported Synthetic sole Shaft measures approximately 6.5" from arch Heel measures approximately 1.5" Poron xrd metatarsal guard-extreme impact protection that absorbs up to 90 percent of energy when impacted at high strain rates Polyurethane midsole, rubber outsole - heat resistant to 572 degreef - excellent slip and cut resistance and non-metallic penetration resistant insole Broad fitting 200 joule impact resistant type 1 steel toe cap Luxury polyurethane footbed with arch support and the revolutionary poronxrd to provide extra cushioning and absorption redirection of shock with every step taken. Also anti-bacterial, breathable and washable Full kevlar stitching