Suspended mesh back panel combined with 3D mesh. Unique asymmetrical full-access zipper path. Distinctive front compression panel with daisy chain. Stretch side pockets. Zippered lid pocket. Hip belt pockets. Integrated trekking pole loops. Hypalon attachment point. Hydration pocket and port. Includes rain cover. Capacity: 2440 cu in/40 L|Capacity: 4575 cu. in/75 L|Torso Size: 15.5" - 20.5"|Weight: 2.6 lbs|Weight: 5 lbs. 14 oz.