Yaktrax pro, medium, women size 10.5-12.5 & men size 9-11, black traction shoe, made with natural rubber, compression molded, 1.4 millimeter steel coil, removable strap, spikeless/ultra light, easy to get on & off & works on any type of footwear, 10 times the gripping points as any spike based traction device, designed for the active user.