No "learning to walk" as Yaktrax® Pro Traction Device for Shoes and Boots offers the same stability as your natural walk. The Yaktrax® Pro's SkidLock coil system creates secure footing without any feeling of slippage either side to side or front to back. Black. One pair. Fits shoe sizes: S (5-8.5), M (9-11), L (11.5-13.5) or XL (14 ).