Bates Men's Delta Nitro-8 Zip Work Boot 100% Leather Imported Rubber sole Shaft measures approximately 8" from arch Heel measures approximately 1.5" iCS+ adjustable nitro comfort technology Breathable full grain leather and mesh upper Ethylene vinyl acetate midsole, thermoplastic polyurethane heel and arch stabilizer Long wearing slip resistant and non-marking rubber outsole Inside locking YKK side zipper