Fear no impact, feel no fatigue. Sierra Shock Shield® helps you stay comfortable longer absorbing impact to your feet. Extremely durable, cushioned, and heat-resistant, it's ideal for harsh outdoor jobs, high heat environments, and intense construction work. ATS® technology provides ergonomic support on uneven terrain Shock Shield® technology diffuses heel impact while absorbing shock and helping minimize fatigue Removable Energy Max™ anti-fatigue insole for maximum comfort Oil- and slip-resisting Duratread™ sole for maximum wear resistance, passes hot contact test at 300°C/572°F 90° heel Item: 10044426
