Caribee Traveller 40 vs. Ministry of Supply Boston One

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

Caribee Traveller 40

Front facing view of the Caribee Traveller 40
Capacity40 L
Weight1.2 kg
Dimensions56×32×22 cm
Airline fit47%
Price$120

Feature by feature

Caribee Traveller 40FeatureMinistry of Supply Boston One
Storage
N Compression N
None Expanded Capacity None
1 Opening 1
top Passport top
Y Passthrough Y
Carry
hideable Backpack hideable
N Hip Belt N
Y Sternum Strap Y
Inside
15in Laptop 16in
4 Main Compartments 4
N Organizer N
Outside
× Hard Shell ×
N Rain-fly N
1, side Water Bottle Holder 1, internal
N Water Resistant Y
Material
900D 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 Caribee Traveller 40 and Ministry of Supply Boston One

Both have: passport pocket, luggage passthrough, backpack straps, sternum strap.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 88 accept both. 0 accept only the Caribee Traveller 40, and 87 accept only the Ministry of Supply Boston One.

Only the Ministry of Supply Boston One fits

Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Baltic, Air Canada, Air Caraibes, Air China, Air France, Air India, Air Malta, Air Mauritius, Air Niugini, Air Serbia, Air Seychelles, All Nipon Airways, ANA, Asiana Airlines, ATA Airlines, Austrian, Azerbaijan Airlines, Belavia, Blue Air, Boliviana de Aviacion, Brussels Airlines, Bulgaria Air, China Eastern, Czech Airlines, Emirates Airlines, Enter Air, Ethiopian Airlines, Etihad Airways, Eurowings, Fiji Airways, Flair Air, flybe, Gol Linhas Aereas, Iberia, Icelandair, Indigo, InselAir, Interjet, Iran Air, Japan Airlines, Jet Airways, Juneyao Airlines, Kenya Airways, KLM, LATAM , Liat Airlines, LOT Polish, Lufthansa, Luxair, Mahan Air, Meridiana Fly, Mesa Airlines, Nordwind Airlines, Norwegian, Oman Air, Pakistan International, Peach, Porter Airlines, Qatar Airways, Regional Express, Royal Brunei Airlines, Royal Jordanian, Ryanair, S7, SAS Scandinavian, Scoot, Shandong Airlines, Shenzhen Airlines, Sky Airlines, Sun Express, Swiss Int'l Air Lines, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), Tiger Airways, TUI, Turkish Airlines, Ukraine International, VIM Airlines (Closed), Virgin Australia, Volotea, WestJet, Xiamen.

Caribee Traveller 40 vs. Ministry of Supply Boston One: which should you pack?

The Caribee Traveller 40 carries 12L more than the Ministry of Supply Boston One (40L vs. 28L), while the Ministry of Supply Boston One is the lighter pack at 1.1kg (vs. 1.2kg). 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 Caribee Traveller 40; if you want to travel lighter, the Ministry of Supply Boston One is the better call.