Overview Our 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, waterproof construction, and multi-surface traction Safety Features ATS® technology provides ergonomic support on a variety of job sites Waterproof PRO construction keeps you dry in wet environments Shock Shield® technology diffuses heel impact while absorbing shock and helping minimize fatigue Premium full-grain leather Removable Energy Max™ anti-fatigue insole for maximum comfort Oil- and slip-resistant Duratread™ sole provides maximum wear resistance High heat-resistant outsole 90° heel Goodyear welt construction Four-row stitch pattern with embroidery
