Osprey Packs
Atmos AG 65L Backpack

4.659090909090909 out of 5 stars

44 Reviews

Current price: $276.95 Original price: $369.95

25% off

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Atmos AG 65 Backpack delivers unmatched comfort and support for multi-day trekking adventures

What Our Gearhead® Experts Are Saying:

"This is hands down the most comfortable pack I’ve carried on long trips. The Anti-Gravity suspension hugs your back and spreads the load so well that 40 pounds feels like far less. I also love how adjustable the torso and hipbelt are—getting the fit dialed in takes minutes, and once it’s set, it feels custom. The organization is smart too, with plenty of easy-access pockets for things I need on the move."

When it comes to carrying heavy loads over rugged terrain, the Osprey Atmos AG 65 Backpack is built to make multi-day adventures more enjoyable. Its Anti-Gravity suspension system uses suspended mesh for breathability and comfort, while a full-perimeter frame and Fit-On-The-Fly waist belt distribute weight evenly so we can trek farther without fatigue. The 65-liter capacity has space for everything from sleeping bags to cook kits, and smart features like side pockets, hipbelt storage, and an integrated rain cover make life on the trail more organized. Whether we’re setting out for a weekend trip or a week in the backcountry, this pack makes carrying the essentials feel easier.

Details

Osprey's best-fitting backpack for multi-day treks
65L capacity suitable for multi-day or weeklong adventures
Anti-Gravity suspension is well-ventilated and cushioned
Shoulders adjust up and down back panel for a custom fit
Fit-On-The-Fly waist belt ensures a quick-and-easy fit
Internal sleeve accommodates 3L hydration reservoirs
Bottom sleeping bag compartment and removable sleeping pad straps
Item #OSPZ1CD

Responsible Collection: Bluesign Approved, Recycled/Repurposed
Material: [main, accent] recycled 210D honey comb nylon, PFC/PFAS-free DWR, [bottom] recycled 500D high tenacity nylon, PFC/PFAS-free DWR
Volume: [small/medium] 65L (3967cu in), [large/x-large] 68L (4150cu in)
Support/Suspension: Anti-Gravity suspended mesh, full peripheral frame, ExoForm wrap upper
Shoulder Straps: Anti-Gravity mesh
Waist Belt: Fit-On-The-Fly
Hydration Compatible: internal sleeve (3L capacity)
Reservoir Included: no
Access: top
Pockets: 2 side, 1 zippered top, 2 zippered waist belt, 1 front mesh
Ice Axe Carry: dual, upper compression straps
Trekking Pole Carry: Stow-on-the-Go
Sleeping Bag Compartment: bottom, removable divider
Rain Cover: integrated
Compression: upper and lower side straps
Dimensions: [small/medium] 32.68 x 15.35 x 14.17in, [large/x-large] 34.65 x 15.35 x 14.17in
Claimed Weight: [small/medium] 4lb 10oz, [large/x-large] 4lb 13oz
Activity: backpacking
Manufacturer Warranty: lifetime

Two backpackers walk up a steep rocky incline.

For When Comfort Matters

Fits (Almost) Everything

Features removable sleeping pad straps

Sleep Comfortably

Zippered sleeping bag compartment with removable divider

Keeps Gear Accessible

Two zippered front pockets provide additional organization options

Two hikers reach the top of a rocky peak overlooking a vast mountain range.

Two backpackers hike up a granite mountain face during a clear day.

A close-up of a hiker in a blue shirt reaching for a water bottle in their green Osprey pack.

Two backpackers walk up a rocky incline.

A woman jump from rock to rock while wearing an Osprey backpack.

Two backpackers scramble up a rocky incline

A man sits on a rocky surface, reclining onto his Osprey backpack.

Two hikers wearing headlamps walk down a rocky path.

Two hikers wearing backpacking packs walk through an alpine forest.

Get Trail Ready

Built For The Long Haul

Osprey Packs focuses on one thing: packs that fit just right, carry comfortably, and hold up to years of use. Osprey stands for gear you can trust enough to forget about until the adventure’s done.

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