A confidence-inspiring Highly ventilated, 3D-tensioned open mesh AirSpeed backpanel with adjustable harness Dedicated hydration compartment with included Osprey Hydraulics® LT 2.5L reservoir by Hydrapak Adjustable sternum strap with magnetic closure and bite valve attachment Dual upper and lower compression straps Stow-on-the-Go trekking pole attachment Heat-embossed, scratch-free zippered slash pocket Front panel stretch mesh pocket Dual access side stretch mesh pockets Dual zippered hipbelt pockets Integrated raincover Ice tool loop with bungee tie off Low-profile, side zip front pocket with internal organizationhike hydration pack adorned with the quality features you’ve come to expect from Osprey. Volume - 24L Dimensions - 22.0H X 14.2W X 11.8D IN. Weight - 2.89 LBS