Kathmandu Shuttle 40L Convertible Backpack Cargo vs. Db Journey Roamer Pro Split Duffel 50L

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

Kathmandu Shuttle 40L Convertible Backpack Cargo

Front facing view of the Kathmandu Shuttle 40L Convertible Backpack Cargo
Capacity40 L
Weight0.8 kg
Dimensions60×32×24 cm
Airline fit5%
Price$130

Feature by feature

Kathmandu Shuttle 40L Convertible Backpack CargoFeatureDb Journey Roamer Pro Split Duffel 50L
Storage
N Compression N
None Expanded Capacity None
1 Opening 1
N Passport back
N Passthrough N
Carry
Y Backpack Y
N Hip Belt N
N Sternum Strap removable
Inside
N Laptop N
1 Main Compartments 2
N Organizer N
Outside
× Hard Shell ×
N Rain-fly N
N Water Bottle Holder N
N Water Resistant N
Material
Nylon 840D JR Ballistic 2xPU, Polyester 135D 2xPU100% Polyester (recycled)

Db Journey Roamer Pro Split Duffel 50L

Front facing view of the Db Journey Roamer Pro Split Duffel 50L
Capacity50 L
Weight1.8 kg
Dimensions51×32×28 cm
Airline fit14%
Price$260

Key differences between the Kathmandu Shuttle 40L Convertible Backpack Cargo and Db Journey Roamer Pro Split Duffel 50L

Both have: backpack straps.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 6 accept both. 4 accept only the Kathmandu Shuttle 40L Convertible Backpack Cargo, and 21 accept only the Db Journey Roamer Pro Split Duffel 50L.

Only the Kathmandu Shuttle 40L Convertible Backpack Cargo fits

Conviasa, Frontier Airlines, PenAir, Southwest Airlines.

Only the Db Journey Roamer Pro Split Duffel 50L fits

Air Europa, Air Koryo, Air Tahiti Nui, Azul Linhas, Caribbean Airlines, China Southern, Croatia Air, 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.

Kathmandu Shuttle 40L Convertible Backpack Cargo vs. Db Journey Roamer Pro Split Duffel 50L: which should you pack?

The Db Journey Roamer Pro Split Duffel 50L carries 10L more than the Kathmandu Shuttle 40L Convertible Backpack Cargo (40L vs. 50L), while the Kathmandu Shuttle 40L Convertible Backpack Cargo is the lighter pack at 0.8kg (vs. 1.8kg). For carry-on flexibility, the Db Journey Roamer Pro Split Duffel 50L fits 14% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Db Journey Roamer Pro Split Duffel 50L; if you want to travel lighter, the Kathmandu Shuttle 40L Convertible Backpack Cargo is the better call.