Deuter UP Seoul vs. Pacsafe Metrosafe X Anti-Theft 20L Backpack

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

Deuter UP Seoul

Front facing view of the Deuter UP Seoul
Capacity16 L
Weight0.84 kg
Dimensions49×30×15 cm
Airline fit92%
Price$140

Feature by feature

Deuter UP SeoulFeaturePacsafe Metrosafe X Anti-Theft 20L Backpack
Storage
N Compression N
26L Expanded Capacity None
4 Opening 4
N Passport Y
N Passthrough N
Carry
Y Backpack Y
removable Hip Belt N
removable Sternum Strap N
Inside
15in Laptop 15in
1 Main Compartments 1
Y Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
1 Water Bottle Holder 1
Y Water Resistant Y
Material
300D PES Ripstop, 500D rPES750D Recycled polyester, 150D Recycled polyester

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

Key differences between the Deuter UP Seoul and Pacsafe Metrosafe X Anti-Theft 20L Backpack

Both have: backpack straps, laptop sleeve, 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. 173 accept both. 0 accept only the Deuter UP Seoul, and 7 accept only the Pacsafe Metrosafe X Anti-Theft 20L Backpack.

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

Air Tahiti, American Eagle, easyJet, Gulf Air, Ravn Alaska, Regional Express, Virgin Australia.

Deuter UP Seoul vs. Pacsafe Metrosafe X Anti-Theft 20L Backpack: which should you pack?

The Pacsafe Metrosafe X Anti-Theft 20L Backpack carries 4L more than the Deuter UP Seoul (16L vs. 20L), while the Pacsafe Metrosafe X Anti-Theft 20L Backpack is the lighter pack at 0.73kg (vs. 0.84kg). 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 Pacsafe Metrosafe X Anti-Theft 20L Backpack; if you want to travel lighter, the Pacsafe Metrosafe X Anti-Theft 20L Backpack is the better call.