Able to hold up to 50L, the Mens Atmos 50 from Osprey encourages long journeys into the mountains. With the worlds first fully ventilated hipbelt and suspended AntiGravity, the bag will keep you cool and comfortable. As well, it will protect your gear come rain or shine with a supplied raincover. Adjustable torso length FlapJacket top cover for use without lid Internal key attachment clip Twin zippered hipbelt pockets Twin ice axe loops Top lid access Stretch mesh side pockets Stow-on-the-Go trekking pole attachment Sternum strap with emergency whistle Removable sleeping pad straps Base zip entry Twin compression webbing straps Light weight peripheral frame Removable top lid with dual compartments ExoForm/BioStretch harness with load lifter 'bar' Compatible with Hydraulics and Hydraulics LT Reservoir AntiGravity 3D suspended mesh backsystem Fit-on-the-Fly adjustable hipbelt Integrated & detachable raincover Internal hydration sleeve Sleeping bag base compartment with internal divider Stretch front pocket Stretch mesh side pockets Weight: 2.0 kg Dimensions: L83 x W38 x D39cm Fabric: 100D x 630D Nylon Dobby