The Carhartt 8" Rugged Flex 400g WP is a hard-working all-purpose boot engineered to tackle any job. Built on an innovative Carhartt Rugged Flex rubber outsole, it maintains traction in the roughest conditions and offers excellent abrasion and slip resistance. The EVA midsole and polyurethane strobel pad deliver critical arch support and underfoot cushioning that reduces overall foot fatigue, while the polyurethane and foam cushioned insole creates a comfortable interior environment for long hours on your feet. Ideal for cold-weather outdoor use, this boot also features 400 grams of heat-retaining 3M Thinsulate insulation, as well as a water-resistant Storm Defender membrane for optimal warmth, breathability and comfort. With rubber heel and toe bumpers for added protection and an ultra-durable oil-tanned leather upper, this boot just won't quit.