Yaktrax pro, large, women size 13-15 & men size 11.5-13.5, 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.