Bellroy Transit Backpack vs. Ministry of Supply Boston One

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

Bellroy Transit Backpack

Front facing view of the Bellroy Transit Backpack
Capacity28 L
Weight1.1 kg
Dimensions53×36×19 cm
Airline fit81%
Price$250

Feature by feature

Bellroy Transit BackpackFeatureMinistry of Supply Boston One
Storage
N Compression N
None Expanded Capacity None
1 Opening 1
top Passport top
N Passthrough Y
Carry
Y Backpack hideable
N Hip Belt N
Y Sternum Strap Y
Inside
16in Laptop 16in
4 Main Compartments 4
Y Organizer N
Outside
× Hard Shell ×
N Rain-fly N
2, side Water Bottle Holder 1, internal
Y Water Resistant Y
Material
Baida Nylon900D 100% polyester shell

Ministry of Supply Boston One

Front facing view of the Ministry of Supply Boston One
Capacity28 L
Weight1.1 kg
Dimensions47×30×20 cm
Airline fit93%
Price$250

Key differences between the Bellroy Transit Backpack and Ministry of Supply Boston One

Both have: passport pocket, sternum strap, 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. 153 accept both. 0 accept only the Bellroy Transit Backpack, and 22 accept only the Ministry of Supply Boston One.

Only the Ministry of Supply Boston One fits

Aerolineas Argentinas, Air France, Air India, Air Mauritius, Air Niugini, Belavia, Boliviana de Aviacion, Cayman Airways, Etihad Airways, flybe, Indigo, InselAir, Jet Airways, Kenya Airways, KLM, LATAM , Oman Air, Qatar Airways, Regional Express, Royal Jordanian, Sky Airlines, Virgin Australia.

Bellroy Transit Backpack vs. Ministry of Supply Boston One: which should you pack?

The Bellroy Transit Backpack carries the same capacity as the Ministry of Supply Boston One (28L vs. 28L), while the Bellroy Transit Backpack is the lighter pack at 1.1kg (vs. 1.1kg). For carry-on flexibility, the Ministry of Supply Boston One fits 93% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Bellroy Transit Backpack; if you want to travel lighter, the Bellroy Transit Backpack is the better call.