Osprey
Osprey Atmos AG 50 Backpacking Pack
Osprey Atmos AG 50 Backpacking Pack
The Osprey Atmos AG 50 is a 50-liter backpacking pack built for weekend trips and lighter multi-day overnights where comfort and ventilation matter most. Its AntiGravity suspension wraps the back and hips in 3D-suspended mesh, while the Fit-on-the-Fly harness and extendable Custom Fit-on-the-Fly hipbelt adjust to a wide range of torso and waist sizes.
Organization includes dual-access side water bottle pockets, a zippered sleeping bag compartment with a removable divider, a fabric-reinforced front shove-it pocket, and a floating top lid with lash points. A Stow-on-the-Go trekking pole attachment frees both hands, an internal hydration reservoir sleeve with center back exit port extends hydration options, and an included raincover keeps gear dry when weather turns. The main, accent, and bottom fabrics are recycled and bluesign approved with a PFC/PFAS-free DWR finish.
Key Features
| Brand | Osprey |
| Model | Atmos AG 50 |
| Product Type | Backpacking Pack |
| Collection | Atmos AG |
| Load Range | 25 - 35 lbs. | 11 - 16 kg |
| Volume (S/M) | 3051 IN 3 / 50 L |
| Dimensions (S/M) | 12.2H X 14.96W X 31.89D IN. |
| Weight (S/M) | 4.32 LBS. |
| Volume (L/XL) | 3234 IN 3 / 53 L |
| Dimensions (L/XL) | 12.2H X 14.96W X 33.86D IN. |
| Weight (L/XL) | 4.509 LBS. |
| Main Fabric | bluesign® APPROVED recycled 210D honey comb nylon, PFC/PFAS-free DWR |
| Lining Fabric | bluesign® APPROVED recycled 210D high tenacity nylon, PFC/PFAS-free DWR |
| Bottom Fabric | bluesign® APPROVED recycled 500D high tenacity nylon, PFC/PFAS-free DWR |
| Suspension | AntiGravity Suspension |
| Harness | Fit-on-the-Fly Harness |
| Hipbelt | Extendable Custom Fit-on-the-Fly Hipbelt |
| Raincover | Included |
| Hydration | Internal hydration reservoir sleeve with center back exit port |
| Trekking Pole Attachment | Stow-on-the-Go |
| Sleeping Bag Compartment | Zippered with removable divider |
| Side Pockets | Tall dual-access water bottle pockets |
| Hipbelt Pockets | Dual zippered |
| Ice Axe Loops | Dual with upper compression strap capture |
| Compression Straps | Dual upper/lower side |
| Top Lid | Floating with lash points |
| Front Pocket | Fabric reinforced shove-it pocket |
| Sleeping Pad Straps | Removable |
| Torso Adjustment | Cam-lock torso adjustment system |
| Frame | 4 mm powder coated full peripheral frame |
| Backpanel | Two-tone spacer mesh with silicone print in lumbar zone |
| Condition | New |
Highlights
- 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
Materials & care
The Atmos AG 50 is made with bluesign approved recycled 210D honey comb nylon for the main body, bluesign approved recycled 210D high tenacity nylon for the lining, and bluesign approved recycled 500D high tenacity nylon for the bottom. All fabrics feature a PFC/PFAS-free DWR finish.
Sizing & fit
Osprey has specialized in designing backpacks for various shapes, sizes, and genders since 1974. The pack-fitting technique ensures a properly fitting pack that maximizes efficiency, comfort, and safety on and off the trail.Size chart
| Torso Size | Pack Size |
|---|---|
| 14" (35.5cm) | - |
| 15" (38cm) | - |
| 16" (40.5cm) | - |
| 17" (43cm) | S/M |
| 18" (46cm) | S/M |
| 19" (48cm) | S/M or L/XL |
| 20" (51cm) | S/M or L/XL |
| 21" (53cm) | S/M or L/XL |
| 22" (56cm) | L/XL |
| 23" (58.5cm) | L/XL |
| 24" (61cm) | - |
| 25" (63.5cm) | - |
| 29.5-35" (75-90 cm) | - |
| 29.5-41" (75-105 cm) | - |
| 35-41" (90-105 cm) | - |
| 41-47" (105-120 cm) | - |
What's included
- Atmos AG 50 backpacking pack
- Integrated raincover made with PFC/PFAS-free DWR and bluesign approved materials
Frequently asked questions
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