Indeed, my 40 year old generic nylon backpack from a sporting goods store has been my travel bag on nearly every trip I've taken, but I discovered a few years a

Indeed, my 40 year old generic nylon backpack from a sporting goods store has been my travel bag on nearly every trip I've taken, but I discovered a few years ago upon stepping out into a drenching rain, that it had lost all of its waterproofing. Oops. Now I line it with a plastic trash bag.