Attitude Supply ATD1 Backpack vs. Graphene-x LIMITLESS Backpack

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

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

Feature by feature

Attitude Supply ATD1 BackpackFeatureGraphene-x LIMITLESS Backpack
Storage
4 Compression 2
55L Expanded Capacity None
1 Opening 1
front Passport front
N Passthrough Y
Carry
Y Backpack Y
removable Hip Belt removable
removable Sternum Strap Y
Inside
16in Laptop 16in
2 Main Compartments 9
Y Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
2, side Water Bottle Holder 2, side
Y Water Resistant Y
Material
Challenge Sailcloth Ecopak® EPLX600100% Graphene integrated 900D polyester matrix

Graphene-x LIMITLESS Backpack

Front facing view of the Graphene-x LIMITLESS Backpack
Capacity25 L
Weight1.7 kg
Dimensions51×33×17 cm
Airline fit89%
Price$300

Key differences between the Attitude Supply ATD1 Backpack and Graphene-x LIMITLESS Backpack

Both have: passport pocket, backpack straps, hip belt, 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. 32 accept both. 0 accept only the Attitude Supply ATD1 Backpack, and 137 accept only the Graphene-x LIMITLESS Backpack.

Only the Graphene-x LIMITLESS Backpack fits

Aegean Airlines, Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Asia, Air Astana, Air Baltic, Air Canada, Air Caraibes, Air China, Air France, Air India, Air Macau, Air Malta, Air Mauritius, Air Nostrum, Air Serbia, Air Seychelles, Air Wisconsin, AirAsiaX, Alaska Airlines, All Nipon Airways, Allegiant Air, American Airlines, ANA, Asiana Airlines, ATA Airlines, Atlas Global, Austrian, Avianca , Azerbaijan Airlines, Bahamasair, Bangkok Airways, Biman Bangladesh, Blue Air, Boliviana de Aviacion, British Airways, Brussels Airlines, Bulgaria Air, Cambodia Angkor Air, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, China Eastern, CommutAir, Conviasa, Czech Airlines, Delta Airlines, Dragonair, EL AL, Emirates Airlines, Enter Air, Ethiopian Airlines, Eurowings, EVA Air, Fiji Airways, Finnair, Flair Air, flybe, Garuda Indonesia, Gol Linhas Aereas, Hawaiian Airlines, Hong Kong Airlines, Iberia, Icelandair, Indigo, InselAir, Interjet, Iran Air, Iran Aseman Air, Japan Airlines, Jet Airways, Jet2, jetBlue Airways, Jetstar Airways, Jetstar Asia, Juneyao Airlines, Kenya Airways, KLM, Kulula, Kuwait Air, LATAM , Liat Airlines, LOT Polish, Lufthansa, Luxair, Mahan Air, Malaysia Airlines, Mango, Meridiana Fly, Mesa Airlines, Middle East Airlines, Monarch Airlines, Nordwind Airlines, Norwegian, Oman Air, Onur Air, Pakistan International, Peach, Porter Airlines, Qantas Airways, Republic Airways, Royal Brunei Airlines, Royal Jordanian, Ryanair, S7, SAS Scandinavian, Scoot, Shandong Airlines, Shenzhen Airlines, Sky Airlines, Skywest, Inc., South African Airways, SriLankan Airlines, Sun Express, Swiss Int'l Air Lines, TAP Air Portugal, TAROM, Thai Airways, Tianjin Airlines (A320 & E190), Tiger Airways, Trans States, Travel Service Airlines, TUI, Turkish Airlines, Ukraine International, United Airlines, Uzbekistan Air, Vietnam Airlines, VIM Airlines (Closed), Virgin Atlantic, Volotea, WestJet, WOW Airlines, Xiamen.

Attitude Supply ATD1 Backpack vs. Graphene-x LIMITLESS Backpack: which should you pack?

The Graphene-x LIMITLESS Backpack carries 2L more than the Attitude Supply ATD1 Backpack (23L vs. 25L), while the Attitude Supply ATD1 Backpack is the lighter pack at 1.7kg (vs. 1.7kg). For carry-on flexibility, the Graphene-x LIMITLESS Backpack fits 89% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Graphene-x LIMITLESS Backpack; if you want to travel lighter, the Attitude Supply ATD1 Backpack is the better call.