Dunlop Flex 3 16"H Plain 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.