Lightweight and compact, the Osprey Ultralight Stuff Pack is the ideal addition to your gear. At only 4 ounces in weight, it provides maximum functionality while taking up minimal space. For organization, it has multiple zippered pockets. DESIGN Super lightweight pack stashes with other gear Top zipper pocket Main compartment with dual zippers Stretch mesh water bottle pocket Integrated compact storage pocket Dimensions: 17” x 9” x 7” Weight: 0.2 lbs. Volume: 18 L Fabric: 40D Nylon Ripstop