These XX-large-size unisex shoe covers are designed for use in meat processing plants, hazardous material clean-up, industrial processes, and more. They are 12 inches high and fit over the top of size 11 to 13 shoes. The mid-calf style shoe covers have a plain toe and an acid embossed textured tread for slip resistance. These black-coloured shoe covers are made from 100 percent natural rubber.