DescriptionStorm Defender® waterproof protection, 400g 3M™ Thinsulate™ insulation and a heavy-duty outsole tread design lets you take Rugged Flex® work boots to the most demanding environments. Enhanced comfort features with FastDry™ sweat-wicking linings and Cushion Comfort PU insoles power you through each day. Reinforced with strategic hits of high-abrasion rubber on the toe and heel so your boots are as tough as you.FeaturesOil tanned leather upperStorm Defender® Waterproof breathable membrane allows moisture to escape while keeping your feet dry400g 3M™ Thinsulate™ insulation to keep you warm in cold environmentsFastDry™ Technology Lining wicks away sweat for comfortRubber heel for extra durabilityRubber toe for extra durabilityLightweight EVA midsole combines flexibility with maximum comfort and reboundCushion Comfort PU insoles provide comfortable support and reduce foot fatigueShank: FiberglassDurable slip-resistant Rugged Flex® rubber lug outsole for traction and safety on the jobShaft Circumference: 11 InchesHeal Height 1.9 InchesElectrical Hazard footwear provides protection against live electrical currents and meets ASTM F2892-18 EH standardsSafety toe protects against impact and compression hazards and meets ASTM 2413-18 standardsSlip Resistant ASTM F3445-21 SRCountry of Origin: Imported