Aer Duffel Pack 2 vs. Patagonia Women's Tamangito Pack 20L

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

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

Feature by feature

Aer Duffel Pack 2FeaturePatagonia Women's Tamangito Pack 20L
Storage
N Compression N
None Expanded Capacity None
0 Opening 4
N Passport N
N Passthrough N
Carry
Y Backpack Y
N Hip Belt N
Y Sternum Strap Y
Inside
15in Laptop 15in
3 Main Compartments 1
N Organizer N
Outside
× Hard Shell ×
N Rain-fly N
1 Water Bottle Holder 2
Y Water Resistant Y
Material
900D eco-dyed polyester exterior200-denier 100% recycled polyester,

Patagonia Women's Tamangito Pack 20L

Front facing view of the Patagonia Women's Tamangito Pack 20L
Capacity20 L
Weight0.52 kg
Dimensions41×30×13 cm
Airline fit95%
Price$79

Key differences between the Aer Duffel Pack 2 and Patagonia Women's Tamangito Pack 20L

Both have: 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. 163 accept both. 0 accept only the Aer Duffel Pack 2, and 17 accept only the Patagonia Women's Tamangito Pack 20L.

Only the Patagonia Women's Tamangito Pack 20L fits

Air Niugini, 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, WestJet.

Aer Duffel Pack 2 vs. Patagonia Women's Tamangito Pack 20L: which should you pack?

The Aer Duffel Pack 2 carries 4.600000000000001L more than the Patagonia Women's Tamangito Pack 20L (24.6L vs. 20L), while the Patagonia Women's Tamangito Pack 20L is the lighter pack at 0.52kg (vs. 1.1kg). For carry-on flexibility, the Patagonia Women's Tamangito Pack 20L fits 95% 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 Patagonia Women's Tamangito Pack 20L is the better call.