Pacsafe Vibe 20L Anti-Theft Backpack vs. Unbox Therapy X Pacsafe 25L Anti-Theft Backpack

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

Pacsafe Vibe 20L Anti-Theft Backpack

Front facing view of the Pacsafe Vibe 20L Anti-Theft Backpack
Capacity20 L
Weight0.82 kg
Dimensions46×27×18 cm
Airline fit95%
Price$120

Feature by feature

Pacsafe Vibe 20L Anti-Theft BackpackFeatureUnbox Therapy X Pacsafe 25L Anti-Theft Backpack
Storage
N Compression N
None Expanded Capacity None
4 Opening 4
Y Passport Y
N Passthrough N
Carry
Y Backpack Y
N Hip Belt N
Y Sternum Strap N
Inside
13in Laptop 15in
2 Main Compartments 1
Y Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
2 Water Bottle Holder 2
Y Water Resistant Y
Material
100D Robic nylon, 200D Polyester1000D Polina with wax coating, 150D Recycled polyester

Unbox Therapy X Pacsafe 25L Anti-Theft Backpack

Front facing view of the Unbox Therapy X Pacsafe 25L Anti-Theft Backpack
Capacity25 L
Weight1.05 kg
Dimensions47×32×16 cm
Airline fit92%
Price$180

Key differences between the Pacsafe Vibe 20L Anti-Theft Backpack and Unbox Therapy X Pacsafe 25L Anti-Theft Backpack

Both have: passport pocket, backpack straps, 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. 174 accept both. 5 accept only the Pacsafe Vibe 20L Anti-Theft Backpack, and 0 accept only the Unbox Therapy X Pacsafe 25L Anti-Theft Backpack.

Only the Pacsafe Vibe 20L Anti-Theft Backpack fits

Air Niugini, American Eagle, easyJet, Great Lakes Airlines, Ravn Alaska.

Pacsafe Vibe 20L Anti-Theft Backpack vs. Unbox Therapy X Pacsafe 25L Anti-Theft Backpack: which should you pack?

The Unbox Therapy X Pacsafe 25L Anti-Theft Backpack carries 5L more than the Pacsafe Vibe 20L Anti-Theft Backpack (20L vs. 25L), while the Pacsafe Vibe 20L Anti-Theft Backpack is the lighter pack at 0.82kg (vs. 1.05kg). For carry-on flexibility, the Pacsafe Vibe 20L Anti-Theft Backpack fits 95% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Unbox Therapy X Pacsafe 25L Anti-Theft Backpack; if you want to travel lighter, the Pacsafe Vibe 20L Anti-Theft Backpack is the better call.