A must-have product for those who walk, run or work outdoors in winter weather. Traction is provided by ultrahard carbide tungsten Ice Diamond spikes. The All Purpose has a 360 spike pattern for more push-off and lateral grip, and the spikes are integrated into the open/close split rubber tread for improved traction. It also has a unique support hole on the heel strap for easy adjustment. Sizes: Small (Women's 5-8, Men's 4-7) Medium (Women's 8-11, Men's 7-10) Large (Men's 10-14) Type: Footwear Accessories.