● 70% Lighter than other waterproof rubber and PVC boots. ● Seamless construction for 100% waterproof protection. ● Flexible upper material stays supple in cold temperatures to make walking easier. ● Cleated outsole for good traction. ● Tiny air bubbles trapped within the material keep feet warmer in the cold and cooler in the heat. ● Removable polyurethane, contour insole completes the comfort experience.