Ariat 10004986 only $139.95.Free shipping on Ariat boots in the shopping cart select Arait boots under shipping options. Sierra aged bark. Mountain-tough work boots. The most durable platform on the market combines with Ariat's secure, comfortable ATS stability system. This oil- and slip-resisting sole provides extreme heat (tested to 750Â°F/400Â°C) and abrasion resistance. Premium full-grain leather upper, Goodyear Welt construction, ergonomic support and cushioning, this heavy-duty boot delivers. Available with a Steel Toe.