Osprey Ultralight Dry Stuff BackpackUltralight Dry Stuff Backpack Simple, ultralight, packable. This non submersible waterproof daypack is the perfect companion on trips where additional cargo options are needed, but space and weight are at a premium. Simple doesn't mean short on featuresthis pack features a roll top main compartment, zippered external pocket and adjustable sternum strap. When not needed, this pack stuffs into its own pocket, awaiting your next adventure. Built with an