KEEN Utility Men's Independence 6" Leather Waterproof Composite Toe Work Boot in Dark Earth/Black - Size 11EE CARBON-FIBER TOE: Left and right asymmetrical, non-metallic carbon-fiber (composite) toes offer unobtrusive fit and are 15% lighter than steel; These boots meet or exceed ASTM F2412 and F2413 M I/75, C/75 EH standardsWATERPROOF: KEEN.DRY is a waterproof, breathable membrane liner that lets vapor out without letting water in for keeping your feet dry and comfortable; The Independence 6” work boots have a mesh liner that integrates with the waterproof membraneTRACTION: Featuring an oil- and slip-resistant outsole that is lighter weight and more durable than rubber, and a 90° heel (5/8") provides stability and helps "catch or lock" the foot in place; These boots meet or exceed ASTM F1677 Mark II and ASTM F2913SUPPORT & COMFORT: These boots come with KEEN Luftcell, air-infused, PU midsoles for weightless comfort; Made with a nylon shank, used for midfoot support and superior torsion stability, and moisture-wicking textiles to help keep feet dryIn great condition