The tried-and-true Sierra now delivers greater comfort and less foot fatigue with the addition of revolutionary Shock Shield technology. Time-tested engineering endures with the boot's extreme durability and heat resistance, multi-surface traction, and comfortable stability.

Features:

•ATS® technology provides ergonomic support on a variety of job sites
•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-resistant Duratread™ sole provides maximum wear resistance
•High heat-resistant outsole