STM Haven vs. Bellroy Classic Backpack Premium Edition

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

STM Haven

by Stm
Front facing view of the STM Haven
Capacity20 L
Weight0.9 kg
Dimensions47×28×13 cm
Airline fit93%
Price$100

Feature by feature

STM HavenFeatureBellroy Classic Backpack Premium Edition
Storage
N Compression N
None Expanded Capacity None
4 Opening 4
N Passport Y
N Passthrough N
Carry
Y Backpack Y
N Hip Belt N
N Sternum Strap N
Inside
15in Laptop 15in
5 Main Compartments 1
Y Organizer N
Outside
× Hard Shell ×
N Rain-fly N
N Water Bottle Holder N
Y Water Resistant Y
Material
PolyesterCustom-developed leather

Bellroy Classic Backpack Premium Edition

Front facing view of the Bellroy Classic Backpack Premium Edition
Capacity20 L
Weight0.9 kg
Dimensions45×32×18 cm
Airline fit95%
Price$229

Key differences between the STM Haven and Bellroy Classic Backpack Premium Edition

Both have: backpack straps, laptop sleeve, water resistant.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 174 accept both. 2 accept only the STM Haven, and 5 accept only the Bellroy Classic Backpack Premium Edition.

Only the STM Haven fits

Air Niugini, Great Lakes Airlines.

Only the Bellroy Classic Backpack Premium Edition fits

Air Tahiti, American Eagle, easyJet, Gulf Air, Ravn Alaska.

STM Haven vs. Bellroy Classic Backpack Premium Edition: which should you pack?

The STM Haven carries the same capacity as the Bellroy Classic Backpack Premium Edition (20L vs. 20L), while the STM Haven is the lighter pack at 0.9kg (vs. 0.9kg). For carry-on flexibility, the Bellroy Classic Backpack Premium Edition fits 95% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the STM Haven; if you want to travel lighter, the STM Haven is the better call.