Dynamic protection meets all-day comfort. Kahtoola&';s lightest, most breathable gaiter excels at high-output activities like trail running and hiking. Featuring 3D performance fit, lightweight stretch-woven recycled nylon, and a PFAS-free durable water repellent (DWR) treatment, INSTAgaiterA(R) hugs your footwear to seal out dirt, debris and light moisture. This ultra-comfortable gaiter is ideal for use in dry conditions and on lightweight, low-profile footwear. Features Stretch-Woven Recycled Nylon Construction - The 84% Stretch-Woven Recycled Nylon / 16% polyurethane blend with a PFAS-free C0 durable water repellent (DWR) treatment is light, breathable and durable. 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 - Built with ultra abrasion-resistant thermoplastic polyurethane (TPU), the DuraLinkA(R) instep strap is adjustable, replaceable and comes with a 1000-mile warranty. Specifications Weight (pair): (Mid - XS) 2.1 oz / 61 g (Mid - S/M) 2.4 oz / 68 g (Mid - L/XL) 2.7 oz / 76 g Height: (Mid) 7.5 in / 19.0 cm Fabric: 86% stretch-woven recycled nylon / 14% polyurethane blend with PFAS-free C0 DWR treatmentgaiter DuraLinkA(R) instep strap: Thermoplastic polyurethane (TPU)