Osprey Atmos AG 65 Men's Backpacking Backpack

Anti-Gravity suspension - feels like you are carrying less weight than is in your pack Adjustable harness and Fit-on-the-Fly hipbelt to dial in perfect fit Front stretch mesh pocket for quick storage of rain gear or extra layers Removable floating top lid with dual zippered pockets and web attachment points Internal hydration reservoir sleeve accommodates up to a 3L reservoir (sold separately) Recommended load range: 30-50 lbs. - Pack weight 4.56 lbs. for a size medium at 34.25 x 15.35 x 16.14 in.