Carry the Osprey Ultralight Stuff Pack in the bottom of your duffel bag, purse, or man-bag and always be prepared. Spontaneous thrift-store shopping?…this backpack bag covers you. From an impromptu hike, to collecting shells on the seashore, to antiquing, to that unexpected run to the grocer’s, this ultralight tiny stuff pack boasts heavyweight features. Weighs 4 oz. and includes a top zippered slash pocket, dual zippered main compartment, stretch mesh side gear or water bottle pocket, and an ultra-compact, built-in storage pocket.