Servus Iron Duke 6" PVC Polyblend Steel Toe Men's Work Shoes, Black (73104) PVC polyblend injection molded boots are seamless and 100% waterproof yet stay flexible in cold environments; resistant to degradation from agricultural chemicals, fertilizers and animal waste 5-eyelet design laces up for a close, secure fit; reinforced at critical stress points for longer wear Lightweight FOOT FORM contour cushion insole provides excellent arch and heel support, and are removable and washable, and replaceable; steel shanks reinforce construction and support the arch Deep V-Trac outsole and heel deliver added traction to prevent slips and falls; steel toe impact protection; electrical hazard rated outsole; ASTM F2413-11 M I/75 C/75 EH Recommended use: construction, oil & gas, food processing, farming & equestrian, general purpose