15" steel toe boots with reinforced construction and an organic chemical resistant formulation to provide superior protection in harsh environments. The seamless, 3-stage, PVC injection molded construction is 100%waterproof to keep feet comfortable and dry. Features a TDT - dual compound outsole that provides a durable exterior for tough abrasion resistance, and a softer interior for comfort and excellent traction to help prevent slips and falls. The extended steel shanks are thicker, longer and wider as well as curved and ribbed to provide the best possible arch support. Meets ASTM F2413-11 M I/75 C/75 EH.