Attitude Supply ATD2 Backpack vs. Matador SEG28 Backpack

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

Attitude Supply ATD2 Backpack

Front facing view of the Attitude Supply ATD2 Backpack
Capacity18 L
Weight1.3 kg
Dimensions45×25×19 cm
Airline fit96%
Price$475

Feature by feature

Attitude Supply ATD2 BackpackFeatureMatador SEG28 Backpack
Storage
4 Compression 4
31L Expanded Capacity None
1 Opening 1
front Passport top
Y Passthrough Y
Carry
removable Backpack Y
removable Hip Belt removable
removable Sternum Strap removable
Inside
15in Laptop 16in
2 Main Compartments 8
Y Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
2, side Water Bottle Holder 1, side
Y Water Resistant Y
Material
Challenge Sailcloth Ecopak® EPLX600420D 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 Attitude Supply ATD2 Backpack and Matador SEG28 Backpack

Both have: compression straps, luggage passthrough, hip belt, sternum strap, built-in organizer, water resistant.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 75 accept both. 106 accept only the Attitude Supply ATD2 Backpack, and 0 accept only the Matador SEG28 Backpack.

Only the Attitude Supply ATD2 Backpack fits

Air Asia, Air Baltic, Air Canada, Air China, Air Macau, Air Malta, Air Niugini, Air Serbia, Air Seychelles, Air Tahiti, Air Wisconsin, AirAsiaX, Alaska Airlines, Allegiant Air, American Airlines, American Eagle, Asiana Airlines, ATA Airlines, Austrian, Avianca , Azerbaijan Airlines, Bahamasair, Bangkok Airways, Belavia, 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, easyJet, Emirates Airlines, Enter Air, Ethiopian Airlines, Etihad Airways, Eurowings, EVA Air, Fiji Airways, Flair Air, flybe, Garuda Indonesia, Great Lakes Airlines, Gulf Air, 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, Qatar Airways, Ravn Alaska, Regional Express, Republic Airways, Royal Brunei Airlines, Royal Jordanian, 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, Virgin Australia, Volotea, WestJet, Xiamen.

Attitude Supply ATD2 Backpack vs. Matador SEG28 Backpack: which should you pack?

The Matador SEG28 Backpack carries 10L more than the Attitude Supply ATD2 Backpack (18L vs. 28L), while the Matador SEG28 Backpack is the lighter pack at 1kg (vs. 1.3kg). For carry-on flexibility, the Attitude Supply ATD2 Backpack fits 96% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Matador SEG28 Backpack; if you want to travel lighter, the Matador SEG28 Backpack is the better call.