Boundary Supply -- Prima System Modular Travel Backpack vs. Lander Commuter 25L Backpack

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

Boundary Supply -- Prima System Modular Travel Backpack

Front facing view of the Boundary Supply -- Prima System Modular Travel Backpack
Capacity22 L
Weight1.4 kg
Dimensions49×28×13 cm
Airline fit92%
Price$268

Feature by feature

Boundary Supply -- Prima System Modular Travel BackpackFeatureLander Commuter 25L Backpack
Storage
Y Compression Y
30L Expanded Capacity None
0 Opening 4
Y Passport
Y Passthrough
Carry
Y Backpack Y
removable Hip Belt N
removable Sternum Strap Y
Inside
17in Laptop 17in
1 Main Compartments 1
Y Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
1 Water Bottle Holder 1
Y Water Resistant Y
Material
Nywool, Nylon, Kodra NylonCORDURA®, Nylon, Polyester, DWR Coating

Lander Commuter 25L Backpack

Front facing view of the Lander Commuter 25L Backpack
Capacity25 L
Weight1.24 kg
Dimensions53×32×18 cm
Airline fit88%
Price$150

Key differences between the Boundary Supply -- Prima System Modular Travel Backpack and Lander Commuter 25L Backpack

Both have: compression straps, backpack straps, laptop sleeve, built-in organizer, 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. 167 accept both. 7 accept only the Boundary Supply -- Prima System Modular Travel Backpack, and 0 accept only the Lander Commuter 25L Backpack.

Only the Boundary Supply -- Prima System Modular Travel Backpack fits

Air Niugini, Belavia, Etihad Airways, Great Lakes Airlines, Oman Air, Qatar Airways, Royal Jordanian.

Boundary Supply -- Prima System Modular Travel Backpack vs. Lander Commuter 25L Backpack: which should you pack?

The Lander Commuter 25L Backpack carries 3L more than the Boundary Supply -- Prima System Modular Travel Backpack (22L vs. 25L), while the Lander Commuter 25L Backpack is the lighter pack at 1.24kg (vs. 1.4kg). For carry-on flexibility, the Boundary Supply -- Prima System Modular Travel Backpack fits 92% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Lander Commuter 25L Backpack; if you want to travel lighter, the Lander Commuter 25L Backpack is the better call.