Always be prepared for a spontaneous hike or shopping excursion when you have the Osprey Ultralight Stuff Pack on hand! Made of 40D recycled, high-tenacity ripstop nylon, this 8.66″L x 16.54″H x 7.48″W pack features a top zippered slash pocket, dual zippered main compartment, stretch mesh side gear or water bottle pocket, an ultra-compact, built-in storage pocket and plenty of room for customization.