Aer Fit Pack 3 vs. Bellroy Classic Backpack

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

Aer Fit Pack 3

by Aer
Front facing view of the Aer Fit Pack 3
Capacity18.7 L
Weight0 kg
Dimensions44×32×20 cm
Airline fit95%
Price$145

Feature by feature

Aer Fit Pack 3FeatureBellroy Classic Backpack
Storage
N Compression N
None Expanded Capacity None
4 Opening 4
Y Passport Y
Y Passthrough N
Carry
Y Backpack Y
N Hip Belt N
Y Sternum Strap N
Inside
16in Laptop 16in
1 Main Compartments 1
N Organizer N
Outside
× Hard Shell ×
optional Rain-fly N
1 Water Bottle Holder N
Y Water Resistant Y
Material
1680D Cordura® ballistic nylon exterior00% recycled polyester & nylon

Bellroy Classic Backpack

Front facing view of the Bellroy Classic Backpack
Capacity20 L
Weight0.75 kg
Dimensions45×32×18 cm
Airline fit95%
Price$139

Key differences between the Aer Fit Pack 3 and Bellroy Classic Backpack

Both have: passport pocket, backpack straps, 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. 179 accept both. Every airline that takes one takes the other.

Aer Fit Pack 3 vs. Bellroy Classic Backpack: which should you pack?

The Bellroy Classic Backpack carries 1.3000000000000007L more than the Aer Fit Pack 3 (18.7L vs. 20L), and the two are closely matched on weight. For carry-on flexibility, the Aer Fit Pack 3 fits 95% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Bellroy Classic Backpack; if you want to travel lighter, the Bellroy Classic Backpack is the better call.