Inspired by the word "navigate"-to travel a desired course after planning a route-the NAVA(TM)gaiter GTX combines durabilty with a lightweight and comfortable design. It&';s our burliest gaiter, built to withstand the toughest winter conditions and hikes. Between outings, they pack down small in the included tote sack.Best Use: Hiking and backpacking with tractionConditions: Rain, snow, iceFootwear: Waterproof hiking shoes and bootsProduct DescriptionAdjustable Instep StrapMade from a durable thermoplastic polyurethane (TPU)Rounded design better interfaces with a variety of outsolesAdjusts to fit different sizes and profiles of footwearThree-Layer GORE-TEXWaterproof and breathable upperDurable and waterproof ballistic nylon lowerAttached lace hook secures fit Asymmetrical ZipperOff-set entry provides increased comfort as the ankle flexesZipper slider folds down at the top and locks to prevent unzippingFlap behind zipper offers extra comfort and moisture protectionElasticized DrawcordToggle lock seals out elements from entering the top of the gaiterSoft undergarment stitching is comfortable against skinNAVA(TM)gaiter GTX Specs:Fabric: Three-layer GORE-TEX upper with polyester face fabric and a ballistic nylon lowerZipper: Waterproof AquaGuardA(R) coil zipperInstep Strap: Adjustable and (if necessary) replaceableSizes: S, M, LWeight (per pair): 5.3 oz/ 152g (S), 5.4 oz/ 154 g (M), 5.5 oz/157 g (L)Height: 13.5 in/34.3 cmColor: Light gray/dark grayPack Size: 5" by 4.5" by 2.5"Unisex: YesWarranty: 1 yearTote sack includedCare Instructions: Hand wash cold. Do not use bleach or fabric softeners. Line dry. Do not iron. Do not dry clean.