Slip these Yaktrax Chains on your boots and move confidently across icy, snow-packed terrain. Natural rubber band fits snug and retains it's flexibility in cold temps, while individually welded links in a ladder pattern dig into snow and ice. In winter weather, chains work great on tires. Now you can put them on your shoes and boots. Heel-to-toe design for traction all across the outsole Natural rubber sling retains its flexibility even in sub-zero temps Individually TIG-welded square links for traction on wintry surfaces Designed for comfortable, long-term wear ImportedSize Chart: Small: fits Women's shoe size 5-7, Men's 5-6 Medium: fits Women's shoe size 7.5-10, Men's 6.5-9 Large: fits Women's shoe size 10.5+, Men's 9.5-12.5 Extra-large: fits Men's shoe size13-15Sizing Note: For wearing on shoes, order your size. For uninsulated hiking or work boots, it is suggested to order 1 size bigger. For oversized/insulated boots, it is suggested to order 2 sizes bigger. Put on the Chains and take on winter!