Featherweight Performance Move efficiently in the mountains with trusted MICROspikes® performance, optimized for ultralight hikers and trail runners. 43% lighter than the original MICROspikes® traction, MICROspikes® Ghost replaces steel chains with a tough TPU matrix to reduce weight without sacrificing durability. Twelve heat-treated stainless steel spikes deliver aggressive grip, while a hybrid elastomer improves packability and provides a secure fit. Twelve Hardened Stainless Steel Spikes Per Foot - Heat-treated, corrosion-resistant 0.36" spikes dig into icy terrain for confident grip Abrasion-Resistant TPU Matrix - An ultra-tough polymeric base reduces weight without compromising durability Hybrid Elastomer Harness - Features stiffer TPR at the toe for security and stretchy TPE at the heel for a snug, lightweight fit Articulating Rivets - Allow spikes to move independently to improve grip on uneven terrain and minimize snow buildup Patented Reinforced Eyelets - TPR inserts embedded at harness connection points strengthen key stress areas for long-term reliability Includes ripstop nylon tote sack for compact storage Weight (pair) (XS) 6.4 oz / 179 g (S) 6.5 oz / 184 g (M) 6.8 oz / 192 g (L) 7.1 oz / 200 g (XL) 7.4 oz / 208 g Packed Size 4.5 in x 4 in x 2 in / 36 in³ 11.5 cm x 10 cm x 5 cm / 575 cm³ Spikes Length: 0.36 inch / 9 mm 12 spikes per foot Materials Spikes: Heat-treated, corrosion-resistant 400-series stainless steel Traction Matrix: Thermoplastic polyurethane (TPU) Harness: Thermoplastic elastomer (TPE) and thermoplastic rubber (TPR) Reinforced eyelets: TPR