Wolverine Men's 6in. Raider Durashock Flex™ Boots are an icon in Wolverine's line. Engineered for flexibility, these boots offer style and function seamlessly integrated to keep you going on your longest days. Full-grain leather uppers feature moisture-managing mesh lining to manage sweat. Removable full-cushion insoles add comfort and allow easy maintenance. Advanced comfort PU midsoles add further all-day comfort. And the Wolverine Durashocks Flex rubber lug outsoles are slip, oil and abrasion resistant to provide great traction.