ARIAT. 10034142. SIERRA WATERPROOF SOFT TOE WORK BOOT. BLACK. All-weather boots that take on anything. 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 and abrasion resistance. Waterproof Pro construction blocks out the rain snow and mud. Premium full-grain leather upper Goodyear Welt construction ergonomic support and cushioning this heavy-duty boot delivers.