The Aether AG 70 is the perfect backpacking solution when your primary concerns are carrying heavy loads in ventilated comfort for bigger trips and weeklong-plus excursions. Now featuring our innovative Anti-Gravity(TM) technology and custom fit along with an incredibly robust feature set and a top lid that converts to a functional daypack or summit pack. For backpacking, thru-hikes and alpine expeditions, the Aether AG Series has a pedigree like no other pack. We set the bar for technical backpacking packs by combining Anti-Gravity technology with customizable fit and innovative features like our new convertible top lid to create a more capable and comfortable pack for long-haul load carrying on any multi-day excursion.When you need a pack that can carry heavy loads for up to a week or more, there is no better option than the Aether AG 70. Removable top-lid converts to DayLid daypack Dual upper side compression straps Dual access side stretch mesh pockets Lower Inside-Out compression straps Zippered hipbelt pockets Stow-on-the-Go trekking pole attachment Additional main compartment access Large stretch mesh front panel pocket Dual front compression straps with StraightJacket compression Dual ice tool loops with bungee tie-offs Zippered sleeping bag compartment with removable divider Removable sleeping pad straps Integrated FlapJacket cover for lidless use External hydration reservoir sleeve Large front J-zip access to main compartment