Aggressive, time-tested traction that delivers uncompromising control on steep, icy terrain. Now in its fourth generation, the award-winning MICROspikes® footwear traction has been shaped by nearly two decades of feedback and field testing to ensure lasting performance and reliability. Twelve heat-treated stainless steel spikes per foot dig into stubborn ice and snow, while patented TPR-reinforced connection points and an integrated toe bail provide a secure, comfortable fit and long-term durability. Backed by a 4-year warranty, this packable workhorse is built to perform season after season. Features Twelve Stainless Steel Spikes Per Foot: Strategically spaced, 0.41 inch heat-treated stainless steel spikes provide a stable walking platform and bite into 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 Includes tote sack Specifications Sizes: For Hiking Shoes & Boots: XS (EU 35-37), S (EU 37-40), M (EU 40-44), L (EU 44-49), XL (EU 49+) For Insulated Boots: XS (EU 36-37), S (EU 37-39), M (EU 39-42), L (EU 42-45), XL (EU 45-48), XXL (EU 48+) Weight (pair): 338g (M) Spike length: 10.4mm