Tingley's high quality stretch rubber overshoes are lightweight and waterproof. The black Tingley work rubber has a high sidewall for added protection. It fits most heavy-soled shoes and comes in five stretchable sizes: S (for men's sizes 5½ to 6½ in wide width shoes), M (for sizes 7 to 8), L (size 8½ to 9½), XL (for sizes 10 to 11) and G (for 11½ to 13).