Provides better traction, confidence and safety on packed snow or ice. Walk, jog, or run on slick surfaces with stability. Made with high strength, abrasion resistant 1.4mm steel coils and heavy duty natural rubber. Conforms to the shape of boot or shoe. Patented SkidLock coil design provides 360 of traction. Nylon hook and loop strap ensures a secure fit around shoe. Easy to take on and off. Fits Women's size 6.5 - 10 and Men's size 5 - 8.5. Named after the sure-footed Tibetan Yak, Yaktrax stretch over everything from casual walking shoes to winter boots. Provides solid, predictable traction. Reduces the risk of falls and injuries. Can be worn in temperatures as low as -41 degrees Fahrenheit. Colorful box with hanging tab.