Set out with the ultimate, big-glass expedition pack, built to provide long-wearing comfort and large capacity.Feedback from Trekker-loving pros and enthusiasts helped us improve our premium suspension system by adding increased adjustability and airflow to this packOur ActivLift System? harness is constructed to mimic the natural "S" curve of the back, transfer more weight from waist to hips, make it easy to fit to the length of your torso, and include airflow channels to improve breathabilityHigh-performance tech fabrics -- from 630D high-density nylon Oxford body to 1000D Cordura? base -- provide superior abrasion, tear and water resistance plus durability, without adding extra weightA hydration-ready side pocket with a seam-sealed pouch offers easy access to 70 oz. (2L) of liquid from a hydration reservoir (not included)Pack the maximum amount of gear and micro-adjust for a snug and secure fit with the patent-pending MaxFit System? of padded and adjustable dividersAttach and access extra gear via the tuck-away tripod holder, tall mesh side pockets and bottom compression strapsRemove the protective backpack lid and use as a wearable waistpack ? it features multiple pockets and a mesh-covered backpack for comfortKeep travel hassle-free with the checkpoint-friendly laptop sleeve ? it fits in the front pocket and adheres to most airline requirementsOur patented, built-in All Weather AW Cover? with cinch straps and rainflap protects your pack from the elements; adjusts to expand or cinch down; allows use of compression straps at bottom while cover in use