Heel Height: Approx. 6'' Tall. Full-Grain Leather Upper. Guaranteed Rocky wateproof construction. Integrated TPU torsion stabilizer. Padded collar and tongue. Rocky Aztec 3-piece Goodyear welt outsole for durability and support. Steel shank - Solid stable work platform. ASTM F2413-05 Electrical Hazard Standard. ASTM F2413-05 I/75 C/75 Protective Toe Classification.