Product Details Don't let winter weather keep you from the outdoor activities you love. Yaktrax Pro features a patented coil system for outstanding traction, so you can walk, run, or work on slick surfaces without worry. Specs Weight (pair): 4 oz. Construction Natural rubber base. 1.4 mm steel, abrasion-resistant patented SkidLock coil system. Velcro-closure instep strap. Heel tab for easy on/off. Additional Features 360° traction. Suitable in temperatures to -41undefinedF. Imported. Questions? Chat with an Expert