The Yaktrax Pro will instantly give you better traction, confidence and safety on packed snow or ice. Made with high-strength, abrasion-resistant 1.4 mm steel coils and heavy-duty natural rubber material, the Yaktrax Pro easily conforms to the shape of your boot or shoe. With its patented SkidLock coil design, the Yaktrax Pro provides 360 degrees of traction on packed snow and ice and can be worn in temperatures as low as -41 Fahrenheit. Features: Easy to take on and off Removable performance strap secures fit Walk, jog and run naturally on slick surfaces Spike-less and ultra lightweight design Can be worn in temperatures as low as -41 Fahrenheit Helps reduce the risk of falls on snow and ice