They'd work well for people who choose to go with the Osprey but have to have a lot more place in the leading pack for, say, outfits for various climates, bulky products like ski parkas, along with the like. The water bottle pockets have been form of worthless to me. https://dropperinminecraft83865.blogthisbiz.com/33721953/a-simple-key-for-bag-travel-backpack-unveiled