Patagonia PowSlayer Backpack 38L vs. Deuter Speed Lite 25

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 38LFeatureDeuter Speed Lite 25
Storage
4 Compression 4
None Expanded Capacity None
1 Opening 0
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 2
N Organizer N
Outside
× Hard Shell ×
N Rain-fly N
N Water Bottle Holder 2, side
Y Water Resistant Y
Material
7.9-oz 210-denier 100% recycled nylon ripstop with a TPU coating

Deuter Speed Lite 25

Capacity25 L
Weight0.7 kg
Dimensions56×28×19 cm
Airline fit47%
Price$120

Key differences between the Patagonia PowSlayer Backpack 38L and Deuter Speed Lite 25

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. 50 accept both. 0 accept only the Patagonia PowSlayer Backpack 38L, and 39 accept only the Deuter Speed Lite 25.

Only the Deuter Speed Lite 25 fits

Air Asia, Air Macau, Air Wisconsin, AirAsiaX, Alaska Airlines, Allegiant Air, American Airlines, Avianca , Bahamasair, Bangkok Airways, Biman Bangladesh, Cambodia Angkor Air, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, CommutAir, Delta Airlines, Dragonair, EVA Air, Garuda Indonesia, Great Lakes Airlines, Hawaiian Airlines, Hong Kong Airlines, jetBlue Airways, Jetstar Airways, Jetstar Asia, Kulula, Malaysia Airlines, Mango, Qantas Airways, Republic Airways, Skywest, Inc., South African Airways, SriLankan Airlines, Trans States, United Airlines, Vietnam Airlines, Virgin Atlantic.

Patagonia PowSlayer Backpack 38L vs. Deuter Speed Lite 25: which should you pack?

The Patagonia PowSlayer Backpack 38L carries 13L more than the Deuter Speed Lite 25 (38L vs. 25L), while the Deuter Speed Lite 25 is the lighter pack at 0.7kg (vs. 1.2kg). For carry-on flexibility, the Deuter Speed Lite 25 fits 47% 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 Deuter Speed Lite 25 is the better call.