Osprey Archeon 30 vs. REI Co-op Ruckpack 40

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

Osprey Archeon 30

Front facing view of the Osprey Archeon 30
Capacity30 L
Weight1.4 kg
Dimensions52×33×29 cm
Airline fit13%
Price$265

Feature by feature

Osprey Archeon 30FeatureREI Co-op Ruckpack 40
Storage
2 Compression 2
None Expanded Capacity None
1 Opening 1
top Passport top, side
N Passthrough N
Carry
hideable Backpack hideable
hideable Hip Belt hideable
Y Sternum Strap Y
Inside
16in Laptop 15in
5 Main Compartments 5
Y 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 420D robic nylon w/ ripstop, with bluesign® APPROVED NanoTough, DWR treatment made without PFASrecycled nylon shell

REI Co-op Ruckpack 40

Capacity40 L
Weight1.3 kg
Dimensions58×38×24 cm
Airline fit4%
Price$159

Key differences between the Osprey Archeon 30 and REI Co-op Ruckpack 40

Both have: compression straps, 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. 2 accept both. 22 accept only the Osprey Archeon 30, and 5 accept only the REI Co-op Ruckpack 40.

Only the Osprey Archeon 30 fits

Adria Airways, Air Europa, Air Koryo, Air New Zealand, Air Tahiti Nui, Azul Linhas, Caribbean Airlines, China Southern, Cubana de Aviacion, Hainan Airlines, Korean Air, Philippine Airlines, Royal Air Morocco, Saudi Arabian Airlines, Sichuan Airlines, SilkAir, Silver Airways, Singapore Airlines, SpiceJet, TAAG Angola, TAM Airlines, Ural Airlines.

Only the REI Co-op Ruckpack 40 fits

Frontier Airlines, Island Air, PenAir, Southwest Airlines, Sun Country.

Osprey Archeon 30 vs. REI Co-op Ruckpack 40: which should you pack?

The REI Co-op Ruckpack 40 carries 10L more than the Osprey Archeon 30 (30L vs. 40L), while the REI Co-op Ruckpack 40 is the lighter pack at 1.3kg (vs. 1.4kg). For carry-on flexibility, the Osprey Archeon 30 fits 13% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the REI Co-op Ruckpack 40; if you want to travel lighter, the REI Co-op Ruckpack 40 is the better call.