Description of Arcteryx Alpha SV Jacket Designed for severe weather protection during epic climbs, the Alpha SV has a drop back hem for rear coverage while allowing front-point visibility. GORE-TEX® Pro Shell fabric and a Storm Hood seal out moisture and wind, while the harness HemLock keeps the jacket from lifting out of the harness while climbing. Features: Helmet compatible Storm Hood Laminated, quick dry chin guard Laminated die-cut Velcro® cuffs with elastic One hand pull cords No-lift gusseted underarms Two-way laminated pit zippers WaterTight Vislon front zip WaterTight pit and pocket zippers Moulded Zipper Garages Two chest pockets with laminated zippers Two internal laminated pockets One sleeve pocket with laminated zippers Articulated elbows Hip length, drop back hem Laminated waist and hem drawcord Micro seam allowances (1.6mm/1/16") Tiny GORE® seam tape (13mm/1/2") Removable harness HemLock Heat transfer labels Laminated high strength hanger loop 480N GORE-TEX® 3L Pro Weight: 541g