Kahtoola NAVA Gaiters GTX Dark Gray/Black Medium. Inspired by the word navigate which means to travel a desired course after planning a route the four-season NAVAgaiter GTX is uniquely designed with an adjustable TPU instep strap asymmetrical Aquaguard zipper elasticized drawcord and is made with a three-layer GORE-TEX upper with polyester face fabric and ballistic nylon lower that prevents crampon punctures. Light comfy easily packable and quick to put on and take off theyll see you through your next adventure in extreme conditions and when winter traction is a must. Specifications for Kahtoola NAVA Gaiters GTX: Manufacturer: Kahtoola Gender: Unisex Age Group: Adults Color: Black Application: Climbing Fabric/Material: TPU Water Resistance Level: Waterproof Weight: 5.4 oz FEATURE CALLOUT Replaceable instep strap with 1000 mile warranty 3D Performance Fit for more coverage and better fit Side zipper closure for comfort and easy on/off Waterproof Gore-Tex upper Ultra-tough ballistic nylon lower Features of Kahtoola NAVA Gaiters GTX: DuraLink Instep Strap with Aegis Rock Guard - Our instep strap comes with a 1000 mile warranty and is designed to be ultra-durable and easily replaceable. The Aegis rock guard defends connection points against sharp rocks and terrain features. 3D Performance Fit - Our strategically tensioned two-piece design covers more of the shoe or boot and stays firmly in place while in use to seal out more moisture dust dirt and debris. Side Zipper Closure with AquaGuard coil zipper - This carefully designed and tested gaiter closure adds comfort and makes putting them on and taking them off a breeze. Lower the zipper halfway & they can be kept on a boot or shoe between adventures. Dual Material Construction - Ballistic Nylon lowers and three-layer Gore-Tex uppers provide the perfect balance between extreme durability protection from the elements light weight and breathability Package Contents: Kahtoola NAVA Gaiters GTX Crampons Kahtoola KT08002: NAVA Gaiters GTX Dark Gray/Black Small Kahtoola KT08003: NAVA Gaiters GTX Dark Gray/Black Medium Kahtoola KT08003: NAVA Gaiters GTX Dark Gray/Black Medium