Pacsafe Go 25L Anti-Theft Backpack vs. Boundary Supply Rennen X-Pac Daypack

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 BackpackFeatureBoundary Supply Rennen X-Pac Daypack
Storage
N Compression N
None Expanded Capacity None
4 Opening 4
Y Passport N
N Passthrough N
Carry
Y Backpack Y
N Hip Belt N
N Sternum Strap N
Inside
16in Laptop 15in
1 Main Compartments 1
N Organizer N
Outside
× Hard Shell ×
N Rain-fly N
1 Water Bottle Holder 1
Y Water Resistant Y
Material
600D Recycled polyester, 150D Recycled polyesterCustom VX21 X-Pac material

Boundary Supply Rennen X-Pac Daypack

Front facing view of the Boundary Supply Rennen X-Pac Daypack
Capacity22 L
Weight0.9 kg
Dimensions46×28×18 cm
Airline fit95%
Price$170

Key differences between the Pacsafe Go 25L Anti-Theft Backpack and Boundary Supply Rennen X-Pac Daypack

Both have: backpack straps, 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 Boundary Supply Rennen X-Pac Daypack.

Only the Boundary Supply Rennen X-Pac Daypack fits

Air Niugini, Great Lakes Airlines.

Pacsafe Go 25L Anti-Theft Backpack vs. Boundary Supply Rennen X-Pac Daypack: which should you pack?

The Pacsafe Go 25L Anti-Theft Backpack carries 3L more than the Boundary Supply Rennen X-Pac Daypack (25L vs. 22L), while the Pacsafe Go 25L Anti-Theft Backpack is the lighter pack at 0.72kg (vs. 0.9kg). For carry-on flexibility, the Boundary Supply Rennen X-Pac Daypack 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.