Ice Cleats Ice Grippers for Most Types of Shoes Made from tungsten carbide to provide outstanding grip to ice and snow, this grip is new this season. Walk with confidence using this grip. Lasting longer than steel the tungsten carbide won't let you down Place over the bottom of your shoe or ski boot Two replacement spikes included When purchasing for Ski Boots please note the additional sizing options do not order under shoe sizing A snug fit is preferred but y ou must allow for extra sizing on Ski boots