Aer Day Pack 3 vs. Aer Pro Pack 24L

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

Aer Day Pack 3

by Aer
Front facing view of the Aer Day Pack 3
Capacity14 L
Weight1.3 kg
Dimensions44×30×14 cm
Airline fit95%
Price$160

Feature by feature

Aer Day Pack 3FeatureAer Pro Pack 24L
Storage
N Compression N
None Expanded Capacity None
1 Opening 1
top Passport top
Y Passthrough Y
Carry
Y Backpack Y
N Hip Belt N
Y Sternum Strap Y
Inside
16in Laptop 16in
3 Main Compartments 4
N Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
1, side Water Bottle Holder 2, side
Y Water Resistant Y
Material
1680D Cordura® ballistic nylon exterior (bluesign® approved)840D CORDURA re/cor recycled nylon

Aer Pro Pack 24L

by Aer
Front facing view of the Aer Pro Pack 24L
Capacity24 L
Weight1.3 kg
Dimensions47×32×19 cm
Airline fit92%
Price$200

Key differences between the Aer Day Pack 3 and Aer Pro Pack 24L

Both have: passport pocket, luggage passthrough, backpack straps, 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. 174 accept both. 6 accept only the Aer Day Pack 3, and 0 accept only the Aer Pro Pack 24L.

Only the Aer Day Pack 3 fits

Air Niugini, Air Tahiti, American Eagle, easyJet, Gulf Air, Ravn Alaska.

Aer Day Pack 3 vs. Aer Pro Pack 24L: which should you pack?

The Aer Pro Pack 24L carries 10L more than the Aer Day Pack 3 (14L vs. 24L), while the Aer Day Pack 3 is the lighter pack at 1.3kg (vs. 1.3kg). For carry-on flexibility, the Aer Day Pack 3 fits 95% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Aer Pro Pack 24L; if you want to travel lighter, the Aer Day Pack 3 is the better call.