Mens Ariat 8。Extremely durable, cushioned, and heat-resistant, the Sierra collection keeps feet comfortable and supportive in tough conditions. It\'s ideal for harsh outdoor jobs, high heat environments or intense construction work. Style No. 10002418 ATS® technology provides lightweight support that helps your foot adapt to uneven surfaces for lasting comfort and stability. All Day Cushioning insole helps provide comfort and support that can be easily removed for cleaning or replacement. Oil- and slip-resisting Duratread™ sole combines lasting durability with flexibility and passes hot contact testing at 300°C/572°F. 90° heel helps provide secure footing on ladders, rungs, and uneven surfaces. Resoleable Goodyear welt construction joins the sole to the upper, providing long-lasting durability and extending the life of your boots. Removable kiltie. ASTM F2892 EH SR rated.