100% Leather Made in the USA Rubber sole Shaft measures approximately 6" from arch Heel measures approximately 6 inches" Boot opening measures approximately 12" around KEEN for comfort: Left and right asymmetrical safety toe, uniquely anatomically correct steel, aluminum, and composite toe designs provide a roomier toe box and maximum comfort; meets ASTM testing standards Safety first: Includes a direct-attach PU midsole and a removable, metatomical dual-density EVA footbed for long-lasting comfort Keep dry: Features KEEN.Dry proprietary waterproof, breathable membrane that lets vapor out without letting water in On your feet: Features KEEN.Grip oil- and slip-resistant outsoles that meet ASTM nonslip testing standards American built: The Mt Vernon is assembled in Portland, Oregon, with a minimal-waste design using the finest materials from around the world Show more