Yaktrax Chains Traction System. Chains can be used on a variety of footwear and are comfortable for extended wear. The new square links are individually TIG welded and made from case-hardened steel enhancing traction on ice while still providing dependable traction on snow. The durable rubber sling is flexible in sub-zero temperatures and stays securely on footwear even in deep snow. Chains are a great value offering durable traction at an affordable price. Specifications for Yaktrax Chains Traction System: Manufacturer: Yaktrax Size: Small Gender: Unisex Age Group: Adults Men's Shoe Width: Medium Footwear Type: Shoe Care Weight: 1 lb Activity: Winter/Snow Women's Shoe Width: Medium Footwear Accessory Type: Snow Traction Features of Yaktrax Chains Traction System: Size - Men's - Women's Small 5-6 5-7 Medium 6.5-9 7.5-10 Large 9.5-12.5 10.5-up X-Large 13-up Package Contents: Yaktrax Chains Traction System Yaktrax Chains Traction System-Small