Boundary Supply Prima vs. Matador SEG28 Backpack

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

Boundary Supply Prima

Front facing view of the Boundary Supply Prima
Capacity30 L
Weight1.9 kg
Dimensions53×31×18 cm
Airline fit88%
Price$319

Feature by feature

Boundary Supply PrimaFeatureMatador SEG28 Backpack
Storage
2 Compression 4
None Expanded Capacity None
3 Opening 1
top Passport top
Y Passthrough Y
Carry
Y Backpack Y
removable Hip Belt removable
removable Sternum Strap removable
Inside
16in Laptop 16in
0 Main Compartments 8
Y Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
1, side Water Bottle Holder 1, side
Y Water Resistant Y
Material
500D Kodra Nylon YKK StormGuard420D Bluesign® nylon UHMWPE

Matador SEG28 Backpack

Front facing view of the Matador SEG28 Backpack
Capacity28 L
Weight1 kg
Dimensions51×30×24 cm
Airline fit40%
Price$250

Key differences between the Boundary Supply Prima and Matador SEG28 Backpack

Both have: passport pocket, luggage passthrough, backpack straps, hip belt, sternum strap, 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. 74 accept both. 93 accept only the Boundary Supply Prima, and 1 accept only the Matador SEG28 Backpack.

Only the Boundary Supply Prima fits

Air Asia, Air Baltic, Air Canada, Air China, Air Macau, Air Malta, Air Serbia, Air Seychelles, Air Wisconsin, AirAsiaX, Alaska Airlines, Allegiant Air, American Airlines, Asiana Airlines, ATA Airlines, Austrian, Avianca , Azerbaijan Airlines, Bahamasair, Bangkok Airways, Biman Bangladesh, Blue Air, Brussels Airlines, Bulgaria Air, Cambodia Angkor Air, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, China Eastern, CommutAir, Delta Airlines, Dragonair, Emirates Airlines, Enter Air, Ethiopian Airlines, Eurowings, EVA Air, Fiji Airways, Flair Air, flybe, Garuda Indonesia, Hawaiian Airlines, Hong Kong Airlines, Icelandair, InselAir, jetBlue Airways, Jetstar Airways, Jetstar Asia, Juneyao Airlines, Kulula, Liat Airlines, LOT Polish, Lufthansa, Luxair, Mahan Air, Malaysia Airlines, Mango, Meridiana Fly, Mesa Airlines, Nordwind Airlines, Norwegian, Pakistan International, Porter Airlines, Qantas Airways, Republic Airways, Royal Brunei Airlines, Ryanair, S7, SAS Scandinavian, Scoot, Shandong Airlines, Shenzhen Airlines, Skywest, Inc., South African Airways, SriLankan Airlines, Sun Express, Swiss Int'l Air Lines, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), Tiger Airways, Trans States, TUI, Turkish Airlines, Ukraine International, United Airlines, Vietnam Airlines, VIM Airlines (Closed), Virgin Atlantic, Volotea, WestJet, Xiamen.

Only the Matador SEG28 Backpack fits

Oman Air.

Boundary Supply Prima vs. Matador SEG28 Backpack: which should you pack?

The Boundary Supply Prima carries 2L more than the Matador SEG28 Backpack (30L vs. 28L), while the Matador SEG28 Backpack is the lighter pack at 1kg (vs. 1.9kg). For carry-on flexibility, the Boundary Supply Prima fits 88% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Boundary Supply Prima; if you want to travel lighter, the Matador SEG28 Backpack is the better call.