DescriptionHighlights: Windproof Protection: 100% membraned fabric shields you from cold mountain winds. Breathable Comfort: Zipped air vents and fleece lining keep you warm and manage heat. Durable Design: Tight weave withstands backpack use; resists tearing. Weather Ready: Effective in light rain or snow, with windproof and water-repellent layers. Lightweight: Weighs just 1.39 lbs (632 g) in size M for easy wear during hikes.