Osprey Skarab 30 vs. REI Co-op Trail Pack 25

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

Osprey Skarab 30

Front facing view of the Osprey Skarab 30
Capacity30 L
Weight0.9 kg
Dimensions54×28×25 cm
Airline fit39%
Price$160

Feature by feature

Osprey Skarab 30FeatureREI Co-op Trail Pack 25
Storage
4 Compression 2
None Expanded Capacity None
0 Opening 0
top Passport top
N Passthrough N
Carry
Y Backpack Y
removable Hip Belt removable
Y Sternum Strap Y
Inside
N Laptop N
2 Main Compartments 3
N Organizer N
Outside
× Hard Shell ×
N Rain-fly Y
2, side Water Bottle Holder 2, side
Y Water Resistant Y
Material
bluesign® APPROVED, 100% recycled 100Dx210D high-tenacity nylon, DWR treatment made without PFAS210-denier ripstop nylon

REI Co-op Trail Pack 25

Front facing view of the REI Co-op Trail Pack 25
Capacity25 L
Weight0.8 kg
Dimensions46×33×20 cm
Airline fit94%
Price$100

Key differences between the Osprey Skarab 30 and REI Co-op Trail Pack 25

Both have: passport pocket, backpack straps, hip belt, sternum strap, 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. 73 accept both. 1 accept only the Osprey Skarab 30, and 104 accept only the REI Co-op Trail Pack 25.

Only the Osprey Skarab 30 fits

Great Lakes Airlines.

Only the REI Co-op Trail Pack 25 fits

Aer Lingus, Air Asia, Air Baltic, Air Canada, Air China, Air Macau, Air Malta, Air Serbia, Air Seychelles, Air Wisconsin, AirAsiaX, Alaska Airlines, Allegiant Air, American Airlines, American Eagle, Asiana Airlines, ATA Airlines, Austrian, Avianca , Azerbaijan Airlines, Bahamasair, Bangkok Airways, Belavia, Biman Bangladesh, Blue Air, Brussels Airlines, Bulgaria Air, Cambodia Angkor Air, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, China Eastern, CommutAir, Delta Airlines, Dragonair, easyJet, Emirates Airlines, Enter Air, Ethiopian Airlines, Etihad Airways, Eurowings, EVA Air, Fiji Airways, Flair Air, flybe, Garuda Indonesia, Hawaiian Airlines, Hong Kong Airlines, Icelandair, InselAir, jetBlue Airways, Jetstar Airways, Jetstar Asia, Juneyao Airlines, Kulula, Liat Airlines, LOT Polish, Lufthansa, Luxair, Mahan Air, Malaysia Airlines, Mango, Meridiana Fly, Mesa Airlines, Nordwind Airlines, Norwegian, Oman Air, Pakistan International, Porter Airlines, Qantas Airways, Qatar Airways, Ravn Alaska, Regional Express, Republic Airways, Royal Brunei Airlines, Royal Jordanian, Ryanair, S7, SAS Scandinavian, Scoot, Shandong Airlines, Shenzhen Airlines, Skywest, Inc., South African Airways, SriLankan Airlines, Sun Express, Swiss Int'l Air Lines, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), Tiger Airways, Trans States, TUI, Turkish Airlines, Ukraine International, United Airlines, Vietnam Airlines, VIM Airlines (Closed), Virgin Atlantic, Virgin Australia, Volotea, WestJet, Xiamen.

Osprey Skarab 30 vs. REI Co-op Trail Pack 25: which should you pack?

The Osprey Skarab 30 carries 5L more than the REI Co-op Trail Pack 25 (30L vs. 25L), while the REI Co-op Trail Pack 25 is the lighter pack at 0.8kg (vs. 0.9kg). For carry-on flexibility, the REI Co-op Trail Pack 25 fits 94% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Osprey Skarab 30; if you want to travel lighter, the REI Co-op Trail Pack 25 is the better call.