Don't get caught out by the snow and ice this winter. Yaktrax Walker snow grips have 1.2mm abrasion coils that give you a firmer footing on slippery surfaces, so you can head out into the winter freeze with confidence. They're easy to pull over your shoes or boots, and an ultra-light design means they won't weigh you down.When choosing which size to buy UK sizes are given as a guideline, but you can get also measure around the sole of your shoe (in a loop around the edge, where the Yaktrax will grip your shoe):Small: 58cm - 64cmMedium: 64cm - 70cmLarge: 70cm - 76cmIf you fall between sizes it is generally advisable to go for the larger size, especially if wearing them with boots or high-volume footwear.FeaturesPopular and dependable grip for winter monthsLightweight and easy to use - stretchy rubber frame with coiled abrasion springs that grip hard.Safe - spikeless design means less chance of damage to your bag or pockets (or hands!).IMPORTANT: Not to be worn indoors - risk of slipping on smooth floors.