FEATURES of the Arcteryx Men's Alpha SV Jacket Made with hard wearing N80p-X GORE-TEX? face fabric engineered to shed water, snow and resist abrasion while staying soft and quiet compared to other shell materials Athletic e3D patterning provides room for three layers while facilitating movement Helmet-compatible StormHood rotates without blocking vision and is designed to provide the ultimate protection in cold or wet weather WaterTight pit zippers permit rapid ventilation Two large bellowed chest pockets, perfectly placed to fit above your pack or harness, two internal laminated pockets and one sleeve pocket Hem drawcord and HemLock removable inserts prevent jacket from slipping out from underneath harness. Insert can be removed when not needed Micro-seam allowance (1.6 mm) reduces bulk and weight Fully seam-sealed for waterproofness One-hand adjustable drawcords make your life easier Articulated patterning and no-lift gusseted underarms for unrestricted mobility Laminated die-cut Velcro? cuff adjusters with elastic Corded zipper-pulls reduce noise and are easy to grab