Aer Travel Pack 2 Small vs. Aer Duffel Pack 3 X-Pac

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

Aer Travel Pack 2 Small

by Aer
Front facing view of the Aer Travel Pack 2 Small
Capacity28 L
Weight1.7 kg
Dimensions48×33×19 cm
Airline fit92%
Price$229

Feature by feature

Aer Travel Pack 2 SmallFeatureAer Duffel Pack 3 X-Pac
Storage
4 Compression N
None Expanded Capacity None
1 Opening 0
top, side Passport top, side
Y Passthrough Y
Carry
Y Backpack Y
optional Hip Belt N
removable Sternum Strap removable
Inside
16in Laptop 16in
5 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
700D CorduraVX-42 X-Pac (also in 1680D Cordura)

Aer Duffel Pack 3 X-Pac

by Aer
Front facing view of the Aer Duffel Pack 3 X-Pac
Capacity21 L
Weight1.3 kg
Dimensions52×30×20 cm
Airline fit88%
Price$210

Key differences between the Aer Travel Pack 2 Small and Aer Duffel Pack 3 X-Pac

Both have: passport pocket, luggage passthrough, backpack straps, sternum strap, 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. 167 accept both. 7 accept only the Aer Travel Pack 2 Small, and 0 accept only the Aer Duffel Pack 3 X-Pac.

Only the Aer Travel Pack 2 Small fits

Belavia, Etihad Airways, Oman Air, Qatar Airways, Regional Express, Royal Jordanian, Virgin Australia.

Aer Travel Pack 2 Small vs. Aer Duffel Pack 3 X-Pac: which should you pack?

The Aer Travel Pack 2 Small carries 7L more than the Aer Duffel Pack 3 X-Pac (28L vs. 21L), while the Aer Duffel Pack 3 X-Pac is the lighter pack at 1.3kg (vs. 1.7kg). For carry-on flexibility, the Aer Travel Pack 2 Small fits 92% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Aer Travel Pack 2 Small; if you want to travel lighter, the Aer Duffel Pack 3 X-Pac is the better call.