Description of Arcteryx Alpha SL Jacket Designed for the light and fast fanatic, the Alpha SL Jacket is streamlined to deliver complete weather protection without excess weight and bulk. Appointed with all the essential backcountry features, this compact and lightweight jacket rides along for take anywhere storm security. Features: Hip length Two laminated hand pockets Helmet compatible Speed Hood™ Laminated WaterTight™ front, pit, and pocket zippers Micro seam allowances (1.6mm/ 1/16”) No-lift gusseted underarms Laminated chin guard Laminated die-cut Velcro® cuffs Laminated hem with drawcord One hand pull cords 340NR 2-layer GORE-TEX® PACLITE® Weight: 342g