Yaktrax SkiTrax Ski Boot Tracks Traction and Protection Cleats (Pair) Traction cleats designed especially to fit on ski boots make it easier and safer to walk on snow, ice, and slippery surfaces Dual-density outsole protects ski boots from excessive wear; thick rubber heel tab makes it easy to put on take off of boots Rounded tread adds traction and prevents snow buildup to reduce risk of slipping while walking to and from lifts or around the ski lodge Rocker sole design promotes a natural stride, making it easier to walk around and even up and down stairs or hills Compact and foldable, a pair easily fits into ski jacket or ski pants pocket for portable ski boot traction; X-Large fits shoe size W15.5+, M 14+