Outdoor Research Men's Helium Waterproof Hiking Gaiters - Durable, ultralight, low profile, waterproof gaiters with best-selling Helium fabric, built for the fast hiker and ounce-counting backpacker. Pertex Shield Diamond Fuse 2.5L, bluesign approved 100% nylon 30D ripstop upper leg panel 100% nylon 420D Packcloth with PU Coating Foot Panel Weight 139g Hypalon Instep Strap Reinforced Boot Lace Hooks Hook/Loop Front Closure Elastic Across Back Heel Drawcord Cinch at Top Hem Top Edge Circumference: 17in (S), 18in (M), 19in (L), 19in (XL), 20.75in (XXL) Gaiter Height at Back: 15in (S), 16in (M), 17in (L), 18in (XL), 18.75in (XXL) Style: 279864