Features 13L daypack from Osprey Ventilated spacermesh backpanel Zipped main compartment Internal tablet sleeve Internal document sleeve 2x stretch mesh side pockets Hydration compatible Detachable hipbelt Chest strap with emergency whistle Internal key attachment clip Compatible to attach to Osprey Aether AG, Ariel AG, Farpoint 80 or Sojourn packs Capacity: 13 Litres Main fabric: 210D Nylon Oxford Dimensions: W24 x L46 x D22cm Weight: 450g