One misstep on icy terrain can stop your adventure cold. Strap a pair of Polartrax Ultra Ice Cleats™ to your hiking boots, and you're ensured sure-footed traction while crossing packed snow and ice. 16 steel studs, positioned under the toe, heel and ball of the foot, bite into ice while hiking or standing still. Patent pending, adjustable-fit technology delivers a customizable fit. Compact size for easy storage. One size fits most shoes or boots.