When you need lightweight protection from the elements, reach for the Arc'teryx LEAF Alpha LT Jacket Gen 2. This packable waterproof jacket is made from GORE–TEX L&F 3L 30D nylon plain weave fabric that repels water and provides an extra layer of warmth. With internal storage and vertical zippered chest pockets, the Arc'teryx Alpha LT Gen 2 Jacket is perfect for full spectrum military operations.