Yaktrax Pro Color: Black Size: Large New In Box Feel more confident in adverse winter conditions with Yaktrax Pro traction devices! Natural rubber-blend cleats with high-strength, abrasion-resistant stainless-steel coils. Devices fit over shoes with rubber straps to provide safety when walking, hiking, or jogging on packed snow or ice. Size Large, which fits US Men's size 11.5 to 13.5 shoes, or US Women's 13-15 shoes. Brand new in box, never used. Packaging only opened to photograph. Smoke-free, dog-friendly home.