KEEN Flint II Waterproof Steel Toe Work Boots for Men feature the perfect blend of comfort, performance, and high-activity design to help you get the job done better. KEEN.ReGEN midsole cushioning provides lightweight, compression-resisting design for maximum comfort that doesn't sacrifice durability. The exclusive, proprietary KEEN.Dry waterproof/breathable membrane lets vapor out without letting water in. Left and right asymmetrical steel toes offer an unobtrusive fit. These steel-toe work boots meet ASTM F2412-11 and F2413-11 I/75 and C/75 Standards for workplace safety, including a secondary protection of electrical shock reduction. Reflective webbing enhances visibility, while shellback heel support and locking metal lace hooks enhance stability. The siped, oil- and slip-resistant non-marking rubber outsoles pair up with leather and mesh uppers for workplace-ready ruggedness with breathable comfort, including a mesh and moisture-wicking textile lining along with removable metatomical polyurethane footbed. Collar height: 4.5". Avg. Wt. Per Pair: 1 lb. 8 oz.Manufacturer style #: 1023237. Work boots with optimized comfort and durability KEEN.ReGEN midsole cushioning KEEN.Dry waterproof/breathable membrane Left and right asymmetrical, steel toes Meet ASTM F2412-11 and F2413-11 I/75 and C/75 Standards Secondary protection of electrical shock reduction Oil- and slip-resistant non-marking rubber outsoles Leather and mesh uppers Mesh and moisture-wicking textile lining Removable metatomical polyurethane footbed