Aer City Pack vs. Alpaka Gear Traverse Backpack

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 PackFeatureAlpaka Gear Traverse Backpack
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
removable Sternum Strap Y
Inside
16in Laptop 16in
4 Main Compartments 5
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 exteriorAxoflux 400D ripstop nylon

Alpaka Gear Traverse Backpack

Front facing view of the Alpaka Gear Traverse Backpack
Capacity30 L
Weight1.5 kg
Dimensions47×28×18 cm
Airline fit93%
Price$200

Key differences between the Aer City Pack and Alpaka Gear Traverse Backpack

Both have: passport pocket, 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. 175 accept both. 3 accept only the Aer City Pack, and 1 accept only the Alpaka Gear Traverse Backpack.

Only the Aer City Pack fits

American Eagle, easyJet, Ravn Alaska.

Only the Alpaka Gear Traverse Backpack fits

Great Lakes Airlines.

Aer City Pack vs. Alpaka Gear Traverse Backpack: which should you pack?

The Alpaka Gear Traverse Backpack carries 16L more than the Aer City Pack (14L vs. 30L), while the Aer City Pack is the lighter pack at 1.1kg (vs. 1.5kg). For carry-on flexibility, the Aer City Pack fits 94% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Alpaka Gear Traverse Backpack; if you want to travel lighter, the Aer City Pack is the better call.