Top-load main bag and front-load sleeping-bag compartment offer nearly 4,000 cu. in. of storage space, making this pack perfect for extended backcountry adventures. Innovative S-shaped Ergo-Fit shoulder harness with load lifters helps distribute heavy loads to the padded waistbelt for additional comfort. High-density foam back panel with large Airflow™ channels and contoured internal frame structure helps keep your back dry and cool. Internal hydration reservoir sleeve and dual tube ports (reservoir not included). Removable media pocket, zippered waistbelt pockets and gusseted hinge front pocket offers plenty of storage options. Dual mesh water-bottle pockets. Constructed of durable mini-diamond ripstop nylon with Duralite nylon 32”H x 14.25”W x 8.75”D. Wt: 6.0 lbs. Capacity: 3,966 cu. in. Colors: Amazon, Pacific, Cliff Rock.