Pacsafe Go 25L Anti-Theft Backpack vs. Aer Fit Pack 3

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

Pacsafe Go 25L Anti-Theft Backpack

Front facing view of the Pacsafe Go 25L Anti-Theft Backpack
Capacity25 L
Weight0.72 kg
Dimensions46×31×14 cm
Airline fit94%
Price$110

Feature by feature

Pacsafe Go 25L Anti-Theft BackpackFeatureAer Fit Pack 3
Storage
N Compression N
None Expanded Capacity None
4 Opening 4
Y Passport Y
N Passthrough Y
Carry
Y Backpack Y
N Hip Belt N
N Sternum Strap Y
Inside
16in Laptop 16in
1 Main Compartments 1
N Organizer N
Outside
× Hard Shell ×
N Rain-fly optional
1 Water Bottle Holder 1
Y Water Resistant Y
Material
600D Recycled polyester, 150D Recycled polyester1680D Cordura® ballistic nylon exterior

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

Key differences between the Pacsafe Go 25L Anti-Theft Backpack and Aer Fit Pack 3

Both have: passport pocket, backpack straps, laptop sleeve, 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. 0 accept only the Pacsafe Go 25L Anti-Theft Backpack, and 2 accept only the Aer Fit Pack 3.

Only the Aer Fit Pack 3 fits

Air Tahiti, Gulf Air.

Pacsafe Go 25L Anti-Theft Backpack vs. Aer Fit Pack 3: which should you pack?

The Pacsafe Go 25L Anti-Theft Backpack carries 6.300000000000001L more than the Aer Fit Pack 3 (25L vs. 18.7L), 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 Pacsafe Go 25L Anti-Theft Backpack; if you want to travel lighter, the Pacsafe Go 25L Anti-Theft Backpack is the better call.