The Microspikes features:

• Twelve Stainless Steel Spikes Per Foot - Strategically spaced, 3/8" hard wearing stainless steel spikes provide a stable walking platform and bite into even the most stubborn ice and snow.
• Ergonomically Shaped Thermoplastic Elastomer (TPE) Harness - Features patented reinforced eyelets for increased durability, attaches securely to a variety of footwear and retains its elasticity down to -22°F (-30°C).
• Integrated Toe Bail - Keeps the toe from pushing through the front of the harness for added security while descending.
• Raised Heel Tab - Provides a secure grip point on the harness for easy on and off in frozen winter conditions with cold or gloved hands.