The Prana Inabel jacket should be in every duffel bag, unless you're wearing it. A lightweight ripstop windbreaker shell is water resistant and packs into its own pocket. The back is ventilated for long hikes on wet days. Adjustable hood and hem drawcord systems. Zip hand pockets. Reflective silver tab on the back and front. Standard fit. 68% nylon, 32% polyester, Dwr. Material: Nylon.