Cotopaxi Allpa Travel Pack 42L Del Día vs. Hynes Eagle 38L Flight Approved Carry on Backpack

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

Cotopaxi Allpa Travel Pack 42L Del Día

Front facing view of the Cotopaxi Allpa Travel Pack 42L Del Día
Capacity42 L
Weight1.905 kg
Dimensions55×34×22.5 cm
Airline fit68%
Price$200

Feature by feature

Cotopaxi Allpa Travel Pack 42L Del DíaFeatureHynes Eagle 38L Flight Approved Carry on Backpack
Storage
N Compression Y
None Expanded Capacity None
1 Opening 1
Y Passport Y
Passthrough N
Carry
hideable Backpack hideable
removable Hip Belt N
Y Sternum Strap Y
Inside
15in Laptop 16in
1 Main Compartments 1
Y Organizer Y
Outside
× Hard Shell ×
Y Rain-fly N
N Water Bottle Holder N
Y Water Resistant Y
Material
100% repurposed nylon100% Polyester

Hynes Eagle 38L Flight Approved Carry on Backpack

Front facing view of the Hynes Eagle 38L Flight Approved Carry on Backpack
Capacity38 L
Weight0.8 kg
Dimensions50×33×20 cm
Airline fit91%
Price$40

Key differences between the Cotopaxi Allpa Travel Pack 42L Del Día and Hynes Eagle 38L Flight Approved Carry on Backpack

Both have: passport pocket, backpack straps, sternum strap, 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. 129 accept both. 0 accept only the Cotopaxi Allpa Travel Pack 42L Del Día, and 43 accept only the Hynes Eagle 38L Flight Approved Carry on Backpack.

Only the Hynes Eagle 38L Flight Approved Carry on Backpack fits

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

Cotopaxi Allpa Travel Pack 42L Del Día vs. Hynes Eagle 38L Flight Approved Carry on Backpack: which should you pack?

The Cotopaxi Allpa Travel Pack 42L Del Día carries 4L more than the Hynes Eagle 38L Flight Approved Carry on Backpack (42L vs. 38L), while the Hynes Eagle 38L Flight Approved Carry on Backpack is the lighter pack at 0.8kg (vs. 1.905kg). For carry-on flexibility, the Hynes Eagle 38L Flight Approved Carry on Backpack fits 91% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Cotopaxi Allpa Travel Pack 42L Del Día; if you want to travel lighter, the Hynes Eagle 38L Flight Approved Carry on Backpack is the better call.