Icetrekkers Yaktrax Spikes. With 7-points of contact under the ball and heel of the foot they provide grip even in glazed ice conditions. They are lightweight and easy to stow and work on all types of footwear making them great for city use. Specifications for Icetrekkers Yaktrax Spikes: Manufacturer: Icetrekkers Size: Large - Extra Large Color: Brown Package Contents: Icetrekkers Yaktrax Spikes The Icetrekkers Yaktrax Spikes is a quality addition to the Icetrekkers lineup. For more great deals on Snow Traction by Icetrekkers please browse our Icetrekkers Footwear page.