Conquer the most rugged trails with the NAVAgaiter GTX, our most durable, expedition-ready gaiter. Designed with a breathable GORE-TEX ePE upper and recycled fabrics, it protects against rain, snow, and debris while keeping your feet comfortable. The waterproof ballistic nylon upper resists abrasion from rocks, ice, and crampons, making it perfect for rugged terrain. Key Features: Dual-material construction: GORE-TEX upper for waterproof breathability and a ballistic nylon upper for maximum abrasion resistance. 3D Performance Fit: Ergonomic two-piece design wraps the shoe to block out moisture, dirt, and snow. YKK AquaGuard® side zipper: Waterproof, easy to use, and asymmetrically positioned for maximum comfort. DuraLink® Instep Strap with Aegis® Rock Guard: Ultra-strong, replaceable webbing designed for 1,600 km of guaranteed protection on rugged terrain. Expedition Ready: Designed for intensive backpacking, mountaineering, and winter expeditions with sturdy boots or shoes. Product Specifications Weight (pair): S – 5.3 oz / 152 g | M – 5.4 oz / 154 g | L – 5.5 oz / 157 g Height: 13.5 in / 34 cm Upper: 3-layer GORE-TEX ePE with PFAS-free DWR, 100% recycled polyester Lower shaft: Polyurethane-coated ballistic nylon with PFAS-free DWR Instep strap: TPU with 1,600 km guarantee : bluesign® approved, OEKO-TEX® Class II certified Care instructions Machine wash cold on gentle cycle. Tumble dry low. Do not bleach, iron, or dry clean. Why NAVAgaiter GTX? Designed for explorers who demand uncompromising protection, durability, and performance, the NAVAgaiter GTX keeps your feet dry and protected whether you're traversing glaciers, trudging through snow, or tackling rocky trails. Measurements S 38-40 M 40-43 L 43-46