Dunlop Flex 3 16"H Steel Toe PVC Knee Boots have a specially designed Power-Lug cleated outsole that delivers superior slip resistance and stands up to wear and tear. Removable air cushion insole adds comfort, and steel shank provides firm arch support. Kick-off lugs for easy removal. 100% waterproof. Seamless, polyblend PVC compound holds up against fats, oils and chemicals. These knee boots are ideal for food processing, lawn care, dairies, oil and refinery work, utility work and more. Meet ASTM F2413-05.