Indispensable for outdoor activities, ultra-packable and temperature variable The iconic, award-winning Helium rain jacket is a lightweight and ultra-practical outdoor garment. Pertex Shield Diamond Fuse 2.5-layer fabric offers rugged durability that breathes when your pace quickens, while fully taped seams keep moisture and wind at bay on gusty ridges or drizzly descents. The reflective logo on the chest and forearm inserts increase visibility in low-light environments, and the jacket stows in its chest pocket (hand pocket for Ws) for storage rapide in your pack.