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 Top zippered slash pocket Dual zippered main compartment Stretch mesh side gear or water bottle pocket Ultra-compact, built-in storage pocket Backed by Osprey’s All Mighty Guarantee PVC Free Product