Heel Height: Approx. 10'' Tall. These wellington boots feature a moisture wicking lining, 400 grams of Thinsulate™ Ultra lining, 12mm comfort padded insole with moisture wicking cover, PVC storm welt, tempered steel shank, and Goodyear construction. It has a stitched forepart rubber outsole with braid design, high abrasion, oil and heat resistance. Steel toe meets ASTM 175/C75 standards. Electrical hazard meets ASTM standards.