Osprey Daylite Expandable Travel Pack 26+6 vs. Aer Day Pack 3

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

Osprey Daylite Expandable Travel Pack 26+6

Capacity26 L
Weight0.8 kg
Dimensions43×33×16 cm
Airline fit95%
Price$110

Feature by feature

Osprey Daylite Expandable Travel Pack 26+6FeatureAer Day Pack 3
Storage
N Compression N
32L Expanded Capacity None
1 Opening 1
top Passport top
Y Passthrough Y
Carry
Y Backpack Y
N Hip Belt N
Y Sternum Strap Y
Inside
16in Laptop 16in
3 Main Compartments 3
N Organizer N
Outside
× Hard Shell ×
N Rain-fly N
2, side Water Bottle Holder 1, side
Y Water Resistant Y
Material
300D recycled polyester, PFC-free DWR1680D Cordura® ballistic nylon exterior (bluesign® approved)

Aer Day Pack 3

by Aer
Front facing view of the Aer Day Pack 3
Capacity14 L
Weight1.3 kg
Dimensions44×30×14 cm
Airline fit95%
Price$160

Key differences between the Osprey Daylite Expandable Travel Pack 26+6 and Aer Day Pack 3

Both have: passport pocket, luggage passthrough, backpack straps, sternum strap, 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. 179 accept both. 0 accept only the Osprey Daylite Expandable Travel Pack 26+6, and 1 accept only the Aer Day Pack 3.

Only the Aer Day Pack 3 fits

Air Niugini.

Osprey Daylite Expandable Travel Pack 26+6 vs. Aer Day Pack 3: which should you pack?

The Osprey Daylite Expandable Travel Pack 26+6 carries 12L more than the Aer Day Pack 3 (26L vs. 14L), while the Osprey Daylite Expandable Travel Pack 26+6 is the lighter pack at 0.8kg (vs. 1.3kg). For carry-on flexibility, the Osprey Daylite Expandable Travel Pack 26+6 fits 95% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Osprey Daylite Expandable Travel Pack 26+6; if you want to travel lighter, the Osprey Daylite Expandable Travel Pack 26+6 is the better call.