The Osprey Ultralight Stuff Back Pack can within seconds be stuffed awawy into its own carry case no larger than the size of an apple. Built with a Deluxe AirMesh harness the backpack offers a comfortable carry unusual for a compressible pack of this size. Fully waterproof coated fabric and seams mean you won't get caught out in the event of a light drizzle or sudden downpour. For organisation and easy access included is a zippered stash pocket, internal security pocket and stretch mesh side pocket for a bottle of water. Reflective graphics mean you'll always be seen.