Osprey Kestrel 48 vs. Osprey Atmos AG 65

Two carry-on travel backpacks, compared spec for spec.

Osprey Kestrel 48

Capacity48 L
Weight2 kg
Dimensions74×40×39 cm
Airline fit1%
Price$230

Feature by feature

Osprey Kestrel 48FeatureOsprey Atmos AG 65
Storage
6 Compression Y
None Expanded Capacity None
0 Opening 0
top Passport
N Passthrough N
Carry
Y Backpack Y
Y Hip Belt Y
Y Sternum Strap removable
Inside
N Laptop N
4 Main Compartments 3
N Organizer N
Outside
× Hard Shell ×
Y Rain-fly Y
2, side Water Bottle Holder 2
Y Water Resistant Y
Material
ecycled 420D nylon, DWR treatments made without PFASNylon

Osprey Atmos AG 65

Front facing view of the Osprey Atmos AG 65
Capacity65 L
Weight2.2 kg
Dimensions87×41×39 cm
Airline fit0%
Price$269

Key differences between the Osprey Kestrel 48 and Osprey Atmos AG 65

Both have: backpack straps, hip belt, rain cover, water resistant.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 0 accept both. 1 accept only the Osprey Kestrel 48, and 0 accept only the Osprey Atmos AG 65.

Only the Osprey Kestrel 48 fits

Azul Airlines.

Osprey Kestrel 48 vs. Osprey Atmos AG 65: which should you pack?

The Osprey Atmos AG 65 carries 17L more than the Osprey Kestrel 48 (48L vs. 65L), while the Osprey Kestrel 48 is the lighter pack at 2kg (vs. 2.2kg). For carry-on flexibility, the Osprey Kestrel 48 fits 1% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Osprey Atmos AG 65; if you want to travel lighter, the Osprey Kestrel 48 is the better call.