Yaktrax Ski offer confidence and comfort while walking in your ski boots both on and off the mountain. Yaktrax Ski have a unique patent pending Rocker Sole design that promotes a natural walking motion. Made of durable rubber, Yaktrax Ski protect your ski boots from excessive wear while walking on solid ground. Yaktrax Ski also improve traction on snow and ice with the unique, rounded design of the bottom tread that does not pack snow.