A 35L Travel Backpack vs. Hynes Eagle 42L Travel Backpack Anti Theft Carry on Backpack

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

A 35L Travel Backpack

Front facing view of the A 35L Travel Backpack
Capacity35 L
Weight1.7 kg
Dimensions55×35×20 cm
Airline fit86%
Price$189

Feature by feature

A 35L Travel BackpackFeatureHynes Eagle 42L Travel Backpack Anti Theft Carry on Backpack
Storage
N Compression N
None Expanded Capacity None
1 Opening 1
Y Passport Y
Y Passthrough Y
Carry
hideable Backpack hideable
hideable Hip Belt N
hideable Sternum Strap Y
Inside
17in Laptop 15in
2 Main Compartments 3
Y Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
2 Water Bottle Holder N
Y Water Resistant Y
Material
1680 denier high tenacity ballistic nylonWater Repellent Nylon

Hynes Eagle 42L Travel Backpack Anti Theft Carry on Backpack

Front facing view of the Hynes Eagle 42L Travel Backpack Anti Theft Carry on Backpack
Capacity42 L
Weight1.65 kg
Dimensions54×35×23 cm
Airline fit69%
Price$68

Key differences between the A 35L Travel Backpack and Hynes Eagle 42L Travel Backpack Anti Theft Carry on Backpack

Both have: passport pocket, luggage passthrough, backpack straps, built-in organizer, water resistant.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 128 accept both. 34 accept only the A 35L Travel Backpack, and 2 accept only the Hynes Eagle 42L Travel Backpack Anti Theft Carry on Backpack.

Only the A 35L Travel Backpack fits

Air Baltic, Air China, Air Malta, Air Serbia, Air Seychelles, Asiana Airlines, ATA Airlines, Blue Air, Bulgaria Air, China Eastern, Emirates Airlines, Enter Air, flybe, Icelandair, InselAir, Juneyao Airlines, Luxair, Meridiana Fly, Nordwind Airlines, Pakistan International, Royal Brunei Airlines, Ryanair, S7, Shandong Airlines, Shenzhen Airlines, Sun Express, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), TUI, Ukraine International, VIM Airlines (Closed), Volotea, Xiamen.

Only the Hynes Eagle 42L Travel Backpack Anti Theft Carry on Backpack fits

Scoot, Tiger Airways.

A 35L Travel Backpack vs. Hynes Eagle 42L Travel Backpack Anti Theft Carry on Backpack: which should you pack?

The Hynes Eagle 42L Travel Backpack Anti Theft Carry on Backpack carries 7L more than the A 35L Travel Backpack (35L vs. 42L), while the Hynes Eagle 42L Travel Backpack Anti Theft Carry on Backpack is the lighter pack at 1.65kg (vs. 1.7kg). For carry-on flexibility, the A 35L Travel Backpack fits 86% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Hynes Eagle 42L Travel Backpack Anti Theft Carry on Backpack; if you want to travel lighter, the Hynes Eagle 42L Travel Backpack Anti Theft Carry on Backpack is the better call.