Alpha Series: Climbing and alpinism focused pieces: harness compatible length and waistline chest pockets accessible while wearing a pack or harness maximum articulation for overhead motions helmet compatible hoods drop hem highest possible durability to weight ratio emphasis on lightweight materials. Ice climbers and alpine climbers move quickly, generate a lot of heat yet require waterproof protection from spindrift, water, and falling snow. Streamlined for light weight and energy efficiency, the Alpha Comp Hoody has a trim fit to maximize fabric technologies and provide clear lines of vision, with e3D ergonomic, 3 dimensional patterning to accommodate free movement of layers. Features: Weather resistant Breathable Durable Versatile ideal for multi climate usage Taped seams for added weatherproofness Micro seam allowance 1.6 mm reduces bulk and weight DWR finish Durable Water Repellent helps repel water from fabric surface Composite construction e3D Ergonomic 3 Dimensional patterning for enhanced comfort and mobility Gusseted underarms Laminated brim Helmet compatible StormHoodTM Adjustable hood drawcords WaterTightTM external zippers Zipper garages to protect zipper closure from snow and rain Micro corded zipper pulls WaterTightTM Vislon front zip with chin guard Laminated die cut VelcroR cuff adjusters reduce bulk, and won't catch or tear off Laminated hem Adjustable hem drawcord Drop back hem Two piece harness HemlockTM inserts fold betted and keep jacket in position under harness Chest pocket with hidden zip Two hand pockets with WaterTightTM zippers Note: Arc teryx WaterTightTM zippers are highly water resistant, but not waterproof. We do not recommend keeping items in your pockets that may be damaged by moisture Trim fit, with e3D patterning, Hip Length Weight: 405 g 14.3 oz Activity: Ice Climbing Alpine Climbing Materials: N40p 3L laminated GoreR Fabric Technology Fortius 1.0TM 84% nylon, 16% elastane, 160 gm . Lightweight, durable, non insulated, stretchy nylonspandex blend textile.