Atmos AG 50 - Men's

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For weekends backpacking and lighter-weight multiday-overnight trips where comfort and ventilation are paramount, you can't find a better pack than the Osprey Atmos AG 50. AntiGravity suspension delivers a weight-defying fit that seamlessly envelopes your back and hips in 3D-suspended mesh, leaving you wondering where all that weight you packed went.

Your water bottles fit snugly in the easy to use stretch mesh side pockets, an internal reservoir sleeve extends your hydration options and a Stow-on-the-Go trekking pole attachment gets your gear out of the way when you need both hands free. If the weather happens to turn, turn to the integrated raincover to keep things dry. Want to remove the floating lid? It comes with a FlapJacket for lidless use. Don't compromise—enjoy a world class backpacking pack on your next big adventure. Made with 100% recycled materials.


WARNING for California customers: This product can expose you to chemicals including dimethylformamide, which is known to the State of California to cause cancer. For more information, go to


S/M: 50L / 3051 cu in
L/XL: 53L / 3234 cu in
S/M: 4.32 lbs
L/XL: 4.509 lbs
S/M: 31.89Hx 14.96W x 12.2D in
L/XL: 33.86H x 14.96W x 12.2D in.
Load Capacity:
25-35 lbs / 11-16 kg
Other Features:
  • Included raincover made with PFC/PFAS-free DWR and bluesign® approved materials
  • Curved zip access on each side panel
  • Floating top lid with lash points
  • Fabric reinforced front shove-it pocket
  • Tall dual-access side water bottle pockets
  • Dual upper/lower side compression straps
  • Dual zippered hipbelt pockets
  • Dual ice axe loops with upper compression strap capture
  • Zippered sleeping bag compartment with removable divider
  • Removable sleeping pad straps
  • Internal hydration reservoir sleeve with center back exit port
  • Stow-on-the Go trekking pole attachment system
Carry Information:
+ 4 mm powder coated full peripheral frame
+ Easy to access and operate cam-lock torso adjustment system
+ Frame sizing allows for two size per gender fit

+ Two-tone spacer mesh adds strength
+ Silicone print in lumbar zone adds grip for load transfer and comfort

+ Fit-on-the-Fly harness expands the fit range
+ Die-cut foam lower and mesh ExoForm wrap upper

+ Revolutionary AG system seamlessly extends the tensioned backpanel into the hipbelt
+ Hipbelt overlay is integrated into the frame to ensure consistent load transfer
+ Extendable Custom Fit-on-the-Fly Hipbelt offers a precise fit for varying waist sizes
+ Incremental length and angle adjustments allow for a fine-tuned fit
+ Crossbody ErgoPull design pulls weight into lumbar when hipbelt is tightened

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