FEATURES of the Hillsound Trail Crampon Ultra 1.5 cm spikes provide excellent traction on packed snow, black ice and partially covered trails Rip and stick strap across the top of the harness holds the device secure and prevents movement in deeper snow Welded chains withstand repeated torque, foot strikes and abuse on any ice and snow.? Larger heel plate gives secure traction and ultra stability for descents and trail-running Elastomer harness adapts to all types of footwear, fits securely and is easy to slip on and off quickly Ultra-light traction for trail runners conscious of carrying extra ounces Reinforced elastomer harness provides tear resistance and maintains pliability to sub-freezing temperatures Includes a heavy-duty nylon carry bag