The Slipp-R - there's no other safetytoe overshoe like it! Do you need to work comfortably in the cold? Then watch this. The Slipp-R is made of rubber and insulates the foot from extreme cold. With The Slipp-R you can walk on cold surfaces for a very long time. The rubber material will not change in cold conditions. It will not harden, stiffen or crack. You get all the grip and safety afforded by rubber as well as double standard toe protection. You even get Electric Shock Resistance!