Yaktrax, Extra Large, Black, Stabil Walk By Traction Device, Unbeatable Performance For Everyday Use, Multi-Directional Heat Treated Steel Cleats Bite Into Ice & Snow, Designed To Help Maintain A Natural Stride In All Winter Conditions, Compact & Easy To Store, New Pull Tabs Make Putting On & Taking Off Easier, Secure Fitting For Shoes & Boots, Fits M 13.5 .