This super lightweight, waterproof GORE-TEX& amp #174 Paclite& amp #174 jacket with essential backcountry features and helmet compatible StormHood& amp #8482 serves as an easily packable emergency storm jacket in the tough, alpine environment. At 305g (10.8 oz), this is the lightest alpine hardshell in the Arc' teryx line. Waterproof, windproof, snow-shedding exterior keeps you protected. Micro-seam allowance (1.6 mm) reduces bulk and weight. Fully seam-sealed for waterproofness. One-hand adjustable drawcords. Anatomical shaping for fit and comfort. Articulated elbows and patterning for unrestricted mobility. No-lift gusseted underarms. Helmet compatible StormHood& amp #8482 . Laminated chin guard. WaterTight& amp #8482 external zippers with micro-corded zipper pulls. Zipper garages to protect zipper closure from snow and rain. Laminated die-cut hook-and-loop cuff adjusters reduce bulk, and won' t catch or tear off. Adjustable elastic waist drawcord. Laminated, drop back hem Harness HemLock& amp #8482 inserts keep jacket in position under harness. Includes stuff sack. 100% nylon N40r GORE-TEX& amp #174 fabric with PacLite& amp #174 product technology. Machine wash warm, tumble dry low. Imported. Measurements: Length: 31 in Chest Measurement: 42 in Sleeve Length: 38 in Product measurements were taken using size LG.