The CamelBak Ares is a daypack with, of course, a built-in hydration system. The Ares is just the right size for a day hikes worth of gear, school books, or whatever else you might want to tote on your back.
Manufacturer:CamelBakMay we recommend these other fine products!
 Granite Gear Alpine Light 3200 Backpack |  The North Face Recon Backpack - 1850 cu in |  Kelty Dog Collar |