"A lighter version of the Three Day Elite, the Sandpiper of California 3-Day Elite Lite Ripstop Pack is made of strong ripstop nylon fabric with all the functional storage you'd expect from the brand. Modular, removable organizational pouches allow easy customization. Other gear-packing options include a roomy main compartment, padded laptop sleeve, organizer panel, and fleece-lined optics pocket. This Sandpiper of California pack is hydration compatible (hydration reservoir not included). Padded, mesh-lined back and shoulder harness promote carrying comfort, and aluminum back stays improve stability. Manufacturer's lifetime warranty. Capacity: 20""H x 14.5""W x 8.5""D. 2400-cu.-in. Weight: 3.2 lbs. Ripstop nylon construction Modular, removable pouches Large main compartment and organizer panel Padded laptop sleeve and fleece-lined pocket for optics Mesh-lined back and shoulder harness offer breathability Aluminum back stays provide stability Hydration-compatible design Manufacturer's lifetime warranty"