Servus 12" PVC Polyblend Soft Toe Shrimp Boots, White (74928) 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 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 angle cleated outsole and heel prevents slips and falls on slippery surfaces Reinforced at critical stress points for longer wear Soft toe; ASTM F2413-11 EH; Recommended use: fishing, shrimping