Tuck Osprey's ultra-light Stuff Pack in the bottom of your duffel bag and you're always prepared for a spontaneous hike or shopping excursion. Weighing in at a mere four ounces, this tiny pack boasts heavyweight features.Features Top zippered slash pocket Dual zippered main compartment Stretch mesh side gear or water bottle pocket Ultra-compact, built-in storage pocket Specs VOLUME: 1098 IN3 / 18 L DIMENSIONS: 17H X 9W X 7D IN.  WEIGHT: 0.2 LBS. FABRIC: MAIN: 40D Nylon Ripstop ACCENT: 40D Nylon Ripstop BOTTOM: 40D Nylon Ripstop