These steel toe Sierra Saddle work boots by Ariat were born on the ranch and they are ready for anything. These boots are the combination of the most durable platform on the market and Ariat's secure, comfortable ATS stability system. Ariat's innovative Advanced Torque Stability (ATS) technology supports and cushions the foot as you move, promoting good posture and reducing fatigue. The exclusive Duratread rubber outsole combines maximum wear-resistance with comfort and flexibility. This oil and slip-resisting sole provides extreme heat (tested to 750°F/400°C) and abrasion resistance. Premium full-grain leather upper, Goodyear® Welt construction, ergonomic support and cushioning; this heavy-duty boot delivers. Perfect for welding, railroad work and other high heat environments. Steel safety toe is ASTM F2413-05 M I/75 C/75 EH rated.