Cabin Zero Classic Plus 42L vs. Hynes Eagle 40L Flight Approved Compressible Carry

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

Cabin Zero Classic Plus 42L

Front facing view of the Cabin Zero Classic Plus 42L
Capacity42 L
Weight1.2 kg
Dimensions54×35×20 cm
Airline fit87%
Price$122

Feature by feature

Cabin Zero Classic Plus 42LFeatureHynes Eagle 40L Flight Approved Compressible Carry
Storage
4 Compression 4
None Expanded Capacity None
1 Opening 1
front Passport back
Y Passthrough Y
Carry
hideable Backpack Y
N Hip Belt removable
Y Sternum Strap Y
Inside
15in Laptop 15in
2 Main Compartments 5
Y Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
1, side Water Bottle Holder 1, side
Y Water Resistant N
Material
600 Denier PolyesterWater repellent Nylon

Hynes Eagle 40L Flight Approved Compressible Carry

Front facing view of the Hynes Eagle 40L Flight Approved Compressible Carry
Capacity40 L
Weight1 kg
Dimensions51×34×25 cm
Airline fit39%
Price$72

Key differences between the Cabin Zero Classic Plus 42L and Hynes Eagle 40L Flight Approved Compressible Carry

Both have: compression straps, luggage passthrough, sternum strap, laptop sleeve, built-in organizer, water bottle pockets.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 73 accept both. 92 accept only the Cabin Zero Classic Plus 42L, and 0 accept only the Hynes Eagle 40L Flight Approved Compressible Carry.

Only the Cabin Zero Classic Plus 42L fits

Aer Lingus, 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, 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, Xiamen.

Cabin Zero Classic Plus 42L vs. Hynes Eagle 40L Flight Approved Compressible Carry: which should you pack?

The Cabin Zero Classic Plus 42L carries 2L more than the Hynes Eagle 40L Flight Approved Compressible Carry (42L vs. 40L), while the Hynes Eagle 40L Flight Approved Compressible Carry is the lighter pack at 1kg (vs. 1.2kg). For carry-on flexibility, the Cabin Zero Classic Plus 42L fits 87% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Cabin Zero Classic Plus 42L; if you want to travel lighter, the Hynes Eagle 40L Flight Approved Compressible Carry is the better call.