Ariat Men's Sierra Pull-On Steel Toe 10in Work Boots - Reliable durability and protection are mainstays with the mountain-tough Sierra. One of the most durable work boot platforms to date, its oil- and slip-resisting sole stand guard with extreme heat and abrasion resistance while a gel-cushioned footbed provides lasting comfort. ATS technology provides ergonomic support on uneven terrain Premium full-grain leather upper Heavy duty oil- and slip-resisting Duratread sole Abrasion resistance Goodyear Welt construction ASTM F2413-05 M I/75 C/75 EH rated Style: 10002449