Osprey Kestrel 48 vs. Osprey Manta 34

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 Manta 34
Storage
6 Compression 4
None Expanded Capacity None
0 Opening 1
top Passport top
N Passthrough N
Carry
Y Backpack Y
Y Hip Belt Y
Y Sternum Strap Y
Inside
N Laptop N
4 Main Compartments 4
N Organizer Y
Outside
× Hard Shell ×
Y Rain-fly Y
2, side Water Bottle Holder 2, side
Y Water Resistant Y
Material
ecycled 420D nylon, DWR treatments made without PFASbluesign® APPROVED 100% recycled 210D high-tenacity honey comb contrast nylon, DWR treatments made without PFAS

Osprey Manta 34

Front facing view of the Osprey Manta 34
Capacity34 L
Weight1.4 kg
Dimensions62×35×28 cm
Airline fit2%
Price$220

Key differences between the Osprey Kestrel 48 and Osprey Manta 34

Both have: passport pocket, backpack straps, hip belt, sternum strap, rain cover, water bottle pockets, water resistant.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 1 accept both. 0 accept only the Osprey Kestrel 48, and 2 accept only the Osprey Manta 34.

Only the Osprey Manta 34 fits

Island Air, Virgin America.

Osprey Kestrel 48 vs. Osprey Manta 34: which should you pack?

The Osprey Kestrel 48 carries 14L more than the Osprey Manta 34 (48L vs. 34L), while the Osprey Manta 34 is the lighter pack at 1.4kg (vs. 2kg). For carry-on flexibility, the Osprey Manta 34 fits 2% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Osprey Kestrel 48; if you want to travel lighter, the Osprey Manta 34 is the better call.