Ortlieb Velocity Design vs. Millican Smith 15L

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

Ortlieb Velocity Design

Front facing view of the Ortlieb Velocity Design
Capacity23 L
Weight0.88 kg
Dimensions50×30×16 cm
Airline fit92%
Price$145

Feature by feature

Ortlieb Velocity DesignFeatureMillican Smith 15L
Storage
N Compression N
None Expanded Capacity None
2 Opening 2
N Passport side
N Passthrough N
Carry
Y Backpack Y
removable Hip Belt removable
removable Sternum Strap removable
Inside
15in Laptop 13in
1 Main Compartments 3
N Organizer N
Outside
× Hard Shell ×
N Rain-fly N
N Water Bottle Holder N
Y Water Resistant Y
Material
PD620, PS620C Weatherproof Bionic Canvas

Millican Smith 15L

Front facing view of the Millican Smith 15L
Capacity15 L
Weight0.8 kg
Dimensions45×28×10 cm
Airline fit96%
Price$115

Key differences between the Ortlieb Velocity Design and Millican Smith 15L

Both have: backpack straps, hip belt, sternum strap, 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 Ortlieb Velocity Design, and 8 accept only the Millican Smith 15L.

Only the Millican Smith 15L fits

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

Ortlieb Velocity Design vs. Millican Smith 15L: which should you pack?

The Ortlieb Velocity Design carries 8L more than the Millican Smith 15L (23L vs. 15L), while the Millican Smith 15L is the lighter pack at 0.8kg (vs. 0.88kg). For carry-on flexibility, the Millican Smith 15L fits 96% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Ortlieb Velocity Design; if you want to travel lighter, the Millican Smith 15L is the better call.