Aer City Pack vs. Aer Pro Slim Pack

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

Aer City Pack

by Aer
Front facing view of the Aer City Pack
Capacity14 L
Weight1.1 kg
Dimensions46×30×13 cm
Airline fit94%
Price$150

Feature by feature

Aer City PackFeatureAer Pro Slim Pack
Storage
N Compression N
None Expanded Capacity None
1 Opening 1
top Passport front
Y Passthrough Y
Carry
Y Backpack Y
N Hip Belt N
removable Sternum Strap Y
Inside
16in Laptop 16in
4 Main Compartments 3
Y Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
1, side Water Bottle Holder 1, side
Y Water Resistant Y
Material
1680D Cordura® ballistic nylon exterior840D CORDURA re/cor recycled nylon

Aer Pro Slim Pack

by Aer
Front facing view of the Aer Pro Slim Pack
Capacity13 L
Weight0.9 kg
Dimensions43×31×10 cm
Airline fit95%
Price$140

Key differences between the Aer City Pack and Aer Pro Slim Pack

Both have: luggage passthrough, backpack straps, laptop sleeve, built-in organizer, water bottle pockets, water resistant.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 177 accept both. 1 accept only the Aer City Pack, and 2 accept only the Aer Pro Slim Pack.

Only the Aer City Pack fits

Air Niugini.

Only the Aer Pro Slim Pack fits

Air Tahiti, Gulf Air.

Aer City Pack vs. Aer Pro Slim Pack: which should you pack?

The Aer City Pack carries 1L more than the Aer Pro Slim Pack (14L vs. 13L), while the Aer Pro Slim Pack is the lighter pack at 0.9kg (vs. 1.1kg). For carry-on flexibility, the Aer Pro Slim Pack fits 95% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Aer City Pack; if you want to travel lighter, the Aer Pro Slim Pack is the better call.