Cabin Zero Military 44L vs. Hynes Eagle Travel 40L Flight Approved Carry on Backpack

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

Cabin Zero Military 44L

Front facing view of the Cabin Zero Military 44L
Capacity44 L
Weight1.05 kg
Dimensions52×36×19 cm
Airline fit81%
Price$125

Feature by feature

Cabin Zero Military 44LFeatureHynes Eagle Travel 40L Flight Approved Carry on Backpack
Storage
Y Compression Y
None Expanded Capacity None
4 Opening 1
N Passport Y
N Passthrough N
Carry
Y Backpack Y
removable Hip Belt removable
Y Sternum Strap Y
Inside
15in Laptop 15in
1 Main Compartments 1
N Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
N Water Bottle Holder 1
Y Water Resistant Y
Material
1000 Denier nylon fabric100% Polyester

Hynes Eagle Travel 40L Flight Approved Carry on Backpack

Front facing view of the Hynes Eagle Travel 40L Flight Approved Carry on Backpack
Capacity40 L
Weight1.1 kg
Dimensions51×34×25 cm
Airline fit39%
Price$60

Key differences between the Cabin Zero Military 44L and Hynes Eagle Travel 40L Flight Approved Carry on Backpack

Both have: compression straps, backpack straps, hip belt, sternum strap, laptop sleeve, water resistant.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 62 accept both. 91 accept only the Cabin Zero Military 44L, and 11 accept only the Hynes Eagle Travel 40L Flight Approved Carry on Backpack.

Only the Cabin Zero Military 44L 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, Garuda Indonesia, Hawaiian Airlines, Hong Kong Airlines, Icelandair, 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, WestJet, Xiamen.

Only the Hynes Eagle Travel 40L Flight Approved Carry on Backpack fits

Aerolineas Argentinas, Air France, Air India, Air Mauritius, Boliviana de Aviacion, Indigo, Jet Airways, Kenya Airways, KLM, LATAM , Sky Airlines.

Cabin Zero Military 44L vs. Hynes Eagle Travel 40L Flight Approved Carry on Backpack: which should you pack?

The Cabin Zero Military 44L carries 4L more than the Hynes Eagle Travel 40L Flight Approved Carry on Backpack (44L vs. 40L), while the Cabin Zero Military 44L is the lighter pack at 1.05kg (vs. 1.1kg). For carry-on flexibility, the Cabin Zero Military 44L fits 81% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Cabin Zero Military 44L; if you want to travel lighter, the Cabin Zero Military 44L is the better call.