Patagonia PowSlayer Backpack 38L vs. Osprey Manta 34

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

Patagonia PowSlayer Backpack 38L

Capacity38 L
Weight1.2 kg
Dimensions56×31×24 cm
Airline fit26%
Price$250

Feature by feature

Patagonia PowSlayer Backpack 38LFeatureOsprey Manta 34
Storage
4 Compression 4
None Expanded Capacity None
1 Opening 1
top Passport top
N Passthrough N
Carry
Y Backpack Y
Y Hip Belt Y
Y Sternum Strap Y
Inside
N Laptop N
3 Main Compartments 4
N Organizer Y
Outside
× Hard Shell ×
N Rain-fly Y
N Water Bottle Holder 2, side
Y Water Resistant Y
Material
7.9-oz 210-denier 100% recycled nylon ripstop with a TPU coatingbluesign® 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 Patagonia PowSlayer Backpack 38L and Osprey Manta 34

Both have: compression straps, passport pocket, backpack straps, hip belt, sternum strap, water resistant.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 3 accept both. 47 accept only the Patagonia PowSlayer Backpack 38L, and 0 accept only the Osprey Manta 34.

Only the Patagonia PowSlayer Backpack 38L fits

Adria Airways, Aegean Airlines, Air Astana, Air Europa, Air Koryo, Air New Zealand, Air Nostrum, Air Tahiti Nui, Atlas Global, Azul Linhas, British Airways, Caribbean Airlines, China Southern, Conviasa, Copa Airlines, Croatia Air, Cubana de Aviacion, EL AL, Finnair, Frontier Airlines, Hainan Airlines, Iran Aseman Air, Jet2, Korean Air, Kuwait Air, Middle East Airlines, Monarch Airlines, Onur Air, PenAir, Philippine Airlines, Royal Air Morocco, Saudi Arabian Airlines, Sichuan Airlines, SilkAir, Silver Airways, Singapore Airlines, Southwest Airlines, SpiceJet, Spirit Airlines, Sun Country, TAAG Angola, TAM Airlines, Thai Airways, Travel Service Airlines, Ural Airlines, Uzbekistan Air, WOW Airlines.

Patagonia PowSlayer Backpack 38L vs. Osprey Manta 34: which should you pack?

The Patagonia PowSlayer Backpack 38L carries 4L more than the Osprey Manta 34 (38L vs. 34L), while the Patagonia PowSlayer Backpack 38L is the lighter pack at 1.2kg (vs. 1.4kg). For carry-on flexibility, the Patagonia PowSlayer Backpack 38L fits 26% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Patagonia PowSlayer Backpack 38L; if you want to travel lighter, the Patagonia PowSlayer Backpack 38L is the better call.