Kahtoola&';s most versatile gaiter is rugged, breathable and uses stretch-woven recycled nylon 60% thicker than INSTAgaiterA(R), enhancing the durability of this extremely breathable material. A PFAS-free durable water repellent (DWR) treatment provides an extra layer of moisture defense, while the AegisA(R) rock guard reinforces and protects critical stitching areas. Designed for multisport adventurers, this adaptable workhorse is ideal for use in rugged terrain with hiking shoes or low-profile footwear. Features Stretch-Woven Recycled Nylon Construction - The 90% Stretch-Woven Recycled Nylon / 10% polyurethane blend with a PFAS-free C0 durable water repellent (DWR) treatment delivers superior abrasion resistance, comfort and breathability. 3D Performance Fit - Kahtoola&';s strategically tensioned, two-piece design hugs the contours of your shoe or boot to seal out more moisture, dirt and debris. Side Zipper Closure - Asymmetrical placement enhances comfort and makes putting on and taking off gaiters effortless. Durable YKK VISLONA(R) zippers deliver smooth, reliable performance in dirty and dusty conditions. DuraLinkA(R) Instep Strap with AegisA(R) Rock Guard - Instep strap comes with a 1000-mile warranty and is designed to be ultra-durable and easily replaceable. The AegisA(R) rock guard defends connection points against sharp rocks and terrain features. Specifications Weight (pair): (Mid - XS) 3.1 oz / 88 g (Mid - S/M) 3.7 oz / 104 g (Mid - L/XL) 4.1 oz / 117 g Height: 9 in / 22.9 cm Fabric: 90% stretch-woven recycled nylon / 10% polyurethane blend with PFAS-free C0 DWR treatment DuraLinkA(R) instep strap: Thermoplastic polyurethane (TPU)