Pacsafe Metrosafe X Anti-Theft 20L Backpack vs. Boundary Supply Rennen Recycled Daypack

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

Pacsafe Metrosafe X Anti-Theft 20L Backpack

Front facing view of the Pacsafe Metrosafe X Anti-Theft 20L Backpack
Capacity20 L
Weight0.73 kg
Dimensions45×30×13 cm
Airline fit95%
Price$140

Feature by feature

Pacsafe Metrosafe X Anti-Theft 20L BackpackFeatureBoundary Supply Rennen Recycled 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
15in Laptop 15in
1 Main Compartments 1
Y Organizer N
Outside
× Hard Shell ×
N Rain-fly N
1 Water Bottle Holder 1
Y Water Resistant Y
Material
750D Recycled polyester, 150D Recycled polyester RE-3™ 600/500D Eco Cordura®

Boundary Supply Rennen Recycled Daypack

Front facing view of the Boundary Supply Rennen Recycled Daypack
Capacity22 L
Weight0.9 kg
Dimensions46×28×18 cm
Airline fit95%
Price$140

Key differences between the Pacsafe Metrosafe X Anti-Theft 20L Backpack and Boundary Supply Rennen Recycled Daypack

Both have: 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. 178 accept both. 2 accept only the Pacsafe Metrosafe X Anti-Theft 20L Backpack, and 1 accept only the Boundary Supply Rennen Recycled Daypack.

Only the Pacsafe Metrosafe X Anti-Theft 20L Backpack fits

Air Tahiti, Gulf Air.

Only the Boundary Supply Rennen Recycled Daypack fits

Great Lakes Airlines.

Pacsafe Metrosafe X Anti-Theft 20L Backpack vs. Boundary Supply Rennen Recycled Daypack: which should you pack?

The Boundary Supply Rennen Recycled Daypack carries 2L more than the Pacsafe Metrosafe X Anti-Theft 20L Backpack (20L vs. 22L), while the Pacsafe Metrosafe X Anti-Theft 20L Backpack is the lighter pack at 0.73kg (vs. 0.9kg). For carry-on flexibility, the Pacsafe Metrosafe X Anti-Theft 20L Backpack fits 95% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Boundary Supply Rennen Recycled Daypack; if you want to travel lighter, the Pacsafe Metrosafe X Anti-Theft 20L Backpack is the better call.