Over the shoe, constructed of flexible rubber material. Adjustable top strap with buckle for better fit. Inside cotton liner for ease in putting on and taking off. Made with ozone resistant material. Traction grip soles are 100-Percent waterproof. Over the shoe and over the sock designs. Cleated sole for excellent grip and slip resistance. Great for environmental clean ups, concrete plants, poultry and meat packing and other applications requiring heavy duty protection. Made of rubber material. Available in size 7 and yellow color with black outsole. Measures 17-Inch in length.