Deuter Attack 20 vs. Pacsafe Venturesafe 25L G3 Anti-Theft Backpack

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

Deuter Attack 20

Front facing view of the Deuter Attack 20
Capacity20 L
Weight1.55 kg
Dimensions50×28×20 cm
Airline fit92%

Feature by feature

Deuter Attack 20FeaturePacsafe Venturesafe 25L G3 Anti-Theft Backpack
Storage
Y Compression Y
None Expanded Capacity None
4 Opening 4
N Passport Y
N Passthrough N
Carry
Y Backpack Y
removable Hip Belt removable
Y Sternum Strap Y
Inside
N Laptop 16in
1 Main Compartments 1
Y Organizer Y
Outside
× Hard Shell ×
Y Rain-fly N
2 Water Bottle Holder 2
Y Water Resistant Y
Material
600D PES Coat, 225D PES Ripstop100D Nylon Geo diamond ripstop, 200D Polyester

Pacsafe Venturesafe 25L G3 Anti-Theft Backpack

Front facing view of the Pacsafe Venturesafe 25L G3 Anti-Theft Backpack
Capacity25 L
Weight0.76 kg
Dimensions49×28×15.5 cm
Airline fit92%
Price$120

Key differences between the Deuter Attack 20 and Pacsafe Venturesafe 25L G3 Anti-Theft Backpack

Both have: compression straps, backpack straps, hip belt, sternum strap, 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. Every airline that takes one takes the other.

Deuter Attack 20 vs. Pacsafe Venturesafe 25L G3 Anti-Theft Backpack: which should you pack?

The Pacsafe Venturesafe 25L G3 Anti-Theft Backpack carries 5L more than the Deuter Attack 20 (20L vs. 25L), while the Pacsafe Venturesafe 25L G3 Anti-Theft Backpack is the lighter pack at 0.76kg (vs. 1.55kg). For carry-on flexibility, the Deuter Attack 20 fits 92% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Pacsafe Venturesafe 25L G3 Anti-Theft Backpack; if you want to travel lighter, the Pacsafe Venturesafe 25L G3 Anti-Theft Backpack is the better call.