The Yaktrax Diamond Grip Traction Device is winter traction for ice and Snow. Steel alloy and aircraft grade cable make up these durable traction options for your boots. Slip them onto your boot and they'll work together with your Outsole for walking over slippery surfaces. Job site, trails, and the rubber won't crumble in the cold. Features of the Yaktrax Diamond Grip Traction Device Beads swivel independently, preventing buildup of Snow and ice Natural rubber sling remains elastic and secure in sub-zero temperatures Durable on tough transitional surfaces such as concrete and gravel Easy on/ Easy off Comfortable for prolonged use