Combining easy moving Rugged Flex technology, puncture resistance, and composite toe protection together in a waterproof work boot, Carhartt Rugged Flex 8" CSA Insulated Waterproof Composite Toe Work Boots for Men deliver superior workplace protection with superior comfort. A Rugged Flex design, these boots move and stretch with you throughout the day to make it easier to get your work done. Rugged oil-tanned leather uppers feature padded collars and tongues to deliver a better fit while protecting and supporting feet all day long. Storm Defender breathable/waterproof membrane technology inside provides 100% waterproof protection in wet working conditions. 400-gram 3M Thinsulate Insulation blocks cold temperatures out and holds warmth in the boot to keep feet warm and comfortable. Meeting or exceeding ASTM 2413-18 PR EH standards for worksite protection, the Rugged Flex CSA's lightweight composite toes deliver superior protection at demanding jobs. Under the feet, this protective boot employs a puncture-resistant plate to protect against puncture hazards (meets ASTM 2413-18 PR standards). Lightweight EVA midsoles with polyurethane Strobel pad and polyurethane Cushion Comfort insoles above deliver long-lasting support and shock absorption under your feet to keep both your feet and legs feeling better throughout the workday. The boots' sturdy, non-marking Rugged Flex rubber outsoles feature self-cleaning lugs to give hard-working guys durable, oil-resistant traction with welcome flexibility. Abrasion-resistant toe caps. Durable metal lacing hardware. Meets ASTM 2413-18 EH standards for secondary protection against incidental contact with electrical circuits. Also meets CSA Grade 1 toe protection and CSA electrical shock resistance. Average height: 8". Manufacturer model #: CMR8939. Waterproof work boots with Rugged Flex comfort and superior protection Rugged oil-tanned leather uppers with padded collars and tongues - great fit Storm Defender breathable/waterproof membrane technology Rugged Flex design allows easier moving Composite toes meet or exceed ASTM 2413-18 PR EH standards Puncture-resistant plates meet ASTM 2413-18 puncture resistance standards EVA midsoles with polyurethane strobel pads Long-lasting Comfort Cushion polyurethane insoles Rugged, non-marking Rugged Flex rubber outsoles - oil-resistant, self-cleaning lugs Abrasion-resistant toe caps Meets ASTM 2413-18 EH standards Meets CSA Grade 1 toe protection and CSA electrical shock resistance standards