Put these traction cleats on your shoes and you will instantly feel the amazing traction and durability that the Yaktrak Pros have to offer. 70% recycled content. 360 degrees of traction with skid lock coil. Durable natural rubber outerband. Natural Rubber webbing. Abrasion resistant 1.4 mm steel coils. Removable straps ensure a secure fit. Heel tab. Coil Design: SkidLock. Weight: 2.0-4.0 oz.