Aer Tech Pack vs. Aer City Pack X-Pac

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

Aer Tech Pack

by Aer
Front facing view of the Aer Tech Pack
Capacity16 L
Weight1.5 kg
Dimensions48×32×18 cm
Airline fit92%
Price$210

Feature by feature

Aer Tech PackFeatureAer City Pack X-Pac
Storage
N Compression N
None Expanded Capacity None
0 Opening 1
top Passport top
N Passthrough Y
Carry
Y Backpack Y
N Hip Belt N
removable Sternum Strap removable
Inside
16in Laptop 16in
4 Main Compartments 4
Y Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
1, side Water Bottle Holder 2, side
Y Water Resistant Y
Material
Water-resistant, coated front exterior 1680D Cordura ballistic nylon side exterior YKK AquaGuard zippersVX-42 X-Pac

Aer City Pack X-Pac

by Aer
Front facing view of the Aer City Pack X-Pac
Capacity14 L
Weight1.1 kg
Dimensions46×30×12 cm
Airline fit94%
Price$180

Key differences between the Aer Tech Pack and Aer City Pack X-Pac

Both have: passport pocket, backpack straps, sternum strap, laptop sleeve, 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. 174 accept both. 0 accept only the Aer Tech Pack, and 4 accept only the Aer City Pack X-Pac.

Only the Aer City Pack X-Pac fits

Air Niugini, American Eagle, easyJet, Ravn Alaska.

Aer Tech Pack vs. Aer City Pack X-Pac: which should you pack?

The Aer Tech Pack carries 2L more than the Aer City Pack X-Pac (16L vs. 14L), while the Aer City Pack X-Pac is the lighter pack at 1.1kg (vs. 1.5kg). For carry-on flexibility, the Aer City Pack X-Pac fits 94% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Aer Tech Pack; if you want to travel lighter, the Aer City Pack X-Pac is the better call.