STEEL TOE WESTERN BOOT: Ariat Sierra provides you a durable men’s work boot made to power through the tough jobs. Ideal for harsh outdoor work and high heat environments, these steel-toed safety boots are ASTM-certified F2413-11 M I/75 C/75 EH rated for superior protection. CERTIFIED PUNCTURE RESISTANT: The western boots for men help you get the toughest jobs done thanks to the puncture-resistant, metal-free SWEN-FLEX insole board, which provides ultimate protection without the heavy weight of traditional metal plates. These puncture-resistant boots are (PR) ASTM F2413-11 rated. SUPERIOR COMFORT AND STABILITY: These full-grain leather boots for men are designed for superior stability, support, and all-day comfort utilizing the Ariat’s innovative Advanced Torque Stability (ATS) technology. The ATS technology supports the feet by cushioning them as you move, promoting good posture and reducing fatigue. SLIP-RESISTING OUTSOLE: These pull-on boots have heavy-duty and high heat-resistant Duratread outsoles that can hold up to hot temperatures. These non-marking rubber outsoles also work well on oily and slippery surfaces with gel-cushioned footbed for a lasting safety and comfort. SCIENCE OF INNOVATION: Ariat excels in advanced technologies to deliver products that outperform in various conditions. Partnering with world-class biomechanical research groups and testing labs, Ariat strives to improve performance, comfort, and durability.