Ortlieb Velocity PS vs. Exped Cascade 25

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

Ortlieb Velocity PS

Front facing view of the Ortlieb Velocity PS
Capacity23 L
Weight0.79 kg
Dimensions50×30×16 cm
Airline fit92%
Price$150

Feature by feature

Ortlieb Velocity PSFeatureExped Cascade 25
Storage
N Compression N
None Expanded Capacity None
2 Opening 4
N Passport N
N Passthrough N
Carry
Y Backpack Y
removable Hip Belt removable
removable Sternum Strap Y
Inside
15in Laptop 15in
1 Main Compartments 1
Organizer N
Outside
× Hard Shell ×
N Rain-fly N
N Water Bottle Holder N
Y Water Resistant Y
Material
PS33420 D Oxford nylon, TPU film laminate, >10'000 mm water column

Exped Cascade 25

Front facing view of the Exped Cascade 25
Capacity25 L
Weight0.9 kg
Dimensions49×29×21 cm
Airline fit73%
Price$139

Key differences between the Ortlieb Velocity PS and Exped Cascade 25

Both have: backpack straps, hip belt, laptop sleeve, water resistant.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 138 accept both. 35 accept only the Ortlieb Velocity PS, and 0 accept only the Exped Cascade 25.

Only the Ortlieb Velocity PS fits

Air Baltic, Air China, Air Malta, Air Niugini, 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.

Ortlieb Velocity PS vs. Exped Cascade 25: which should you pack?

The Exped Cascade 25 carries 2L more than the Ortlieb Velocity PS (23L vs. 25L), while the Ortlieb Velocity PS is the lighter pack at 0.79kg (vs. 0.9kg). For carry-on flexibility, the Ortlieb Velocity PS fits 92% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Exped Cascade 25; if you want to travel lighter, the Ortlieb Velocity PS is the better call.