The 10" Sierra Wide Square Toe ST offers maximum durability for the harshest conditions. The most durable platform on the market, the Extreme Durability combines with Ariat's secure, comfortable ATS stability system. This stability system is linked with Ariat's highly abrasion-resistant Duratread outsole compound for the ideal blend of comfort and durability. This oil- and slip-resisting sole provides extreme heat (tested to 750°F/400°C) and abrasion resistance. Packed with safety features like composite toe caps and electrical hazard protection to provide unbeatable on the job safety for feet. Perfect for welding, railroad work and other high heat environments.