40L backpack built for extended travel, field use, and work that runs long. 1000D nylon exterior with 420D ripstop lining resists abrasion under load. Full clamshell main compartment with dual zippered mesh pockets and three organizational pockets, plus a fully padded compartment for laptops up to 17 inches. Beavertail with compression straps expands for overflow. MOLLE on the front, sides, and bottom mounts accessories. Finished with a loop ID panel and detachable rain cover. 4.4 lbs, hydration compatible to 3L.