Matador Beast28 Packable Backpack vs. Attitude Supply ATD1 Backpack

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

Matador Beast28 Packable Backpack

Front facing view of the Matador Beast28 Packable Backpack
Capacity28 L
Weight0.7 kg
Dimensions56×28×18 cm
Airline fit47%
Price$150

Feature by feature

Matador Beast28 Packable BackpackFeatureAttitude Supply ATD1 Backpack
Storage
4 Compression 4
None Expanded Capacity 55L
1 Opening 1
top Passport front
N Passthrough N
Carry
Y Backpack Y
removable Hip Belt removable
removable Sternum Strap removable
Inside
N Laptop 16in
2 Main Compartments 2
N Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
2, side Water Bottle Holder 2, side
Y Water Resistant Y
Material
210D Robic® high tenacity nylon, UTS coated, DWR finishChallenge Sailcloth Ecopak® EPLX600

Attitude Supply ATD1 Backpack

Front facing view of the Attitude Supply ATD1 Backpack
Capacity23 L
Weight1.7 kg
Dimensions50×30×26 cm
Airline fit17%
Price$523

Key differences between the Matador Beast28 Packable Backpack and Attitude Supply ATD1 Backpack

Both have: compression straps, backpack straps, hip belt, sternum strap, 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. 32 accept both. 57 accept only the Matador Beast28 Packable Backpack, and 0 accept only the Attitude Supply ATD1 Backpack.

Only the Matador Beast28 Packable Backpack fits

Aegean Airlines, Air Asia, Air Astana, Air Macau, Air Nostrum, Air Wisconsin, AirAsiaX, Alaska Airlines, Allegiant Air, American Airlines, Atlas Global, Avianca , Bahamasair, Bangkok Airways, Biman Bangladesh, British Airways, Cambodia Angkor Air, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, CommutAir, Conviasa, Delta Airlines, Dragonair, EL AL, EVA Air, Finnair, Garuda Indonesia, Great Lakes Airlines, Hawaiian Airlines, Hong Kong Airlines, Iran Aseman Air, Jet2, jetBlue Airways, Jetstar Airways, Jetstar Asia, Kulula, Kuwait Air, Malaysia Airlines, Mango, Middle East Airlines, Monarch Airlines, Onur Air, Qantas Airways, Republic Airways, Skywest, Inc., South African Airways, SriLankan Airlines, Thai Airways, Trans States, Travel Service Airlines, United Airlines, Uzbekistan Air, Vietnam Airlines, Virgin Atlantic, WOW Airlines.

Matador Beast28 Packable Backpack vs. Attitude Supply ATD1 Backpack: which should you pack?

The Matador Beast28 Packable Backpack carries 5L more than the Attitude Supply ATD1 Backpack (28L vs. 23L), while the Matador Beast28 Packable Backpack is the lighter pack at 0.7kg (vs. 1.7kg). For carry-on flexibility, the Matador Beast28 Packable Backpack fits 47% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Matador Beast28 Packable Backpack; if you want to travel lighter, the Matador Beast28 Packable Backpack is the better call.