ILE Default Mini vs. Attitude Supply ATD1 Backpack

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

ILE Default Mini

by ILE
Front facing view of the ILE Default Mini
Capacity25 L
Weight1.5 kg
Dimensions51×31×15 cm
Airline fit89%
Price$275

Feature by feature

ILE Default MiniFeatureAttitude Supply ATD1 Backpack
Storage
4 Compression 4
None Expanded Capacity 55L
2 Opening 1
Passport front
N Passthrough N
Carry
Y Backpack Y
removable Hip Belt removable
removable Sternum Strap removable
Inside
15in 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
1000D Cordura or xpac 1.45kg x-pac; 1.65kg corduraChallenge 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 ILE Default Mini 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. 137 accept only the ILE Default Mini, and 0 accept only the Attitude Supply ATD1 Backpack.

Only the ILE Default Mini 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.

ILE Default Mini vs. Attitude Supply ATD1 Backpack: which should you pack?

The ILE Default Mini carries 2L more than the Attitude Supply ATD1 Backpack (25L vs. 23L), while the ILE Default Mini is the lighter pack at 1.5kg (vs. 1.7kg). For carry-on flexibility, the ILE Default Mini fits 89% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the ILE Default Mini; if you want to travel lighter, the ILE Default Mini is the better call.