MEDIUM: Men’s shoe sizes 9 – 11 / Women’s shoe sizes 10.5 – 12.5 YakTrax Pro Ice Traction Cleats are the ultimate in foot traction for ice and snow. When you want to get outdoors in the winter, you can walk naturally, securely and confidently with these best-selling ice grippers. Just insert the toe of your shoe in to the front of the YakTrax Pro, pull the heel tab to stretch and pull over the heel and secure the removable, Velcro strap. Now you’re ready to walk around town, shovel snow, go for a run or work when the terrain is icy or covered with packed snow. These ice traction cleats feature a spikeless design that gives you 360 degrees of traction using the YakTrax patented Skid Lock Coil System. They conveniently fold up small and can even fit in your pocket, glove box or purse. No matter what your winter activity, the YakTrax Pro Ice Cleats will enable you to do it with out slipping and hurting yourself. Great for kids and grandparents too! Ultralight, compact design 1.4 mm steel coil traction Tough, natural rubber housing for snug fit Weighs 2 – 4 oz.