Millican Mathew vs. Aer Duffel Pack 2

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

Millican Mathew

Front facing view of the Millican Mathew
Capacity22 L
Weight1.2 kg
Dimensions40×33×15 cm
Airline fit96%
Price$180

Feature by feature

Millican MathewFeatureAer Duffel Pack 2
Storage
N Compression N
None Expanded Capacity None
0 Opening 0
N Passport N
N Passthrough N
Carry
Backpack Y
N Hip Belt N
N Sternum Strap Y
Inside
15in Laptop 15in
4 Main Compartments 3
N Organizer N
Outside
× Hard Shell ×
Rain-fly N
Water Bottle Holder 1
Y Water Resistant Y
Material
100% organic cotton canvas outer (weatherproofed)Waterproof 100% recycled polyester rain cover100% organic cotton lining70% vegetable tanned leather.900D eco-dyed polyester exterior

Aer Duffel Pack 2

by Aer
Front facing view of the Aer Duffel Pack 2
Capacity24.6 L
Weight1.1 kg
Dimensions55×30×20 cm
Airline fit86%
Price$136

Key differences between the Millican Mathew and Aer Duffel Pack 2

Both have: 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. 163 accept both. 18 accept only the Millican Mathew, and 0 accept only the Aer Duffel Pack 2.

Only the Millican Mathew fits

Air Tahiti, American Eagle, Belavia, easyJet, Etihad Airways, Gulf Air, Liat Airlines, Oman Air, Qatar Airways, Ravn Alaska, Regional Express, Royal Jordanian, Scoot, Tiger Airways, Virgin Australia, VivaColombia, Volaris, WestJet.

Millican Mathew vs. Aer Duffel Pack 2: which should you pack?

The Aer Duffel Pack 2 carries 2.6000000000000014L more than the Millican Mathew (22L vs. 24.6L), while the Aer Duffel Pack 2 is the lighter pack at 1.1kg (vs. 1.2kg). For carry-on flexibility, the Millican Mathew fits 96% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Aer Duffel Pack 2; if you want to travel lighter, the Aer Duffel Pack 2 is the better call.