Take on any challenge when outdoors with this PackOut Graphic Stuff Sack from Outdoor Research at your side. Designed for traveling or storage, this backpack is an excellent way to carry your valuables safe while being on the top of the fashion chart with its graphic look. This lightweight backpack is made of 100% nylon fabric, 70D slant brick dobby with PU coating to offer extra durability and softness. The bag is waterproof so that your valuables stay safe even when it starts to drizzle.