Jansport Superbreak vs. Unbox Therapy X Pacsafe 25L Anti-Theft Backpack

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

Jansport Superbreak

Front facing view of the Jansport Superbreak
Capacity26 L
Weight0.3 kg
Dimensions42×33×21 cm
Airline fit76%
Price$36

Feature by feature

Jansport SuperbreakFeatureUnbox Therapy X Pacsafe 25L Anti-Theft Backpack
Storage
N Compression N
None Expanded Capacity None
4 Opening 4
front Passport Y
N Passthrough N
Carry
Y Backpack Y
N Hip Belt N
N Sternum Strap N
Inside
15in Laptop 15in
2 Main Compartments 1
Y Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
2, side Water Bottle Holder 2
Y Water Resistant Y
Material
30% Recycled 600 Denier 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 Jansport Superbreak and Unbox Therapy X Pacsafe 25L Anti-Theft Backpack

Both have: backpack straps, laptop sleeve, built-in organizer, water resistant.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 140 accept both. 3 accept only the Jansport Superbreak, and 34 accept only the Unbox Therapy X Pacsafe 25L Anti-Theft Backpack.

Only the Jansport Superbreak fits

American Eagle, Gulf Air, Ravn Alaska.

Only the Unbox Therapy X Pacsafe 25L Anti-Theft Backpack fits

Air Baltic, Air China, Air Malta, Air Serbia, Air Seychelles, Asiana Airlines, ATA Airlines, Belavia, Blue Air, Bulgaria Air, China Eastern, Emirates Airlines, Enter Air, flybe, Icelandair, InselAir, Juneyao Airlines, Luxair, Meridiana Fly, Nordwind Airlines, Royal Brunei Airlines, Ryanair, S7, Shandong Airlines, Shenzhen Airlines, Sun Express, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), TUI, Ukraine International, VIM Airlines (Closed), Volotea, Xiamen.

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

The Jansport Superbreak carries 1L more than the Unbox Therapy X Pacsafe 25L Anti-Theft Backpack (26L vs. 25L), while the Jansport Superbreak is the lighter pack at 0.3kg (vs. 1.05kg). For carry-on flexibility, the Unbox Therapy X Pacsafe 25L Anti-Theft Backpack fits 92% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Jansport Superbreak; if you want to travel lighter, the Jansport Superbreak is the better call.