Aer Pro Pack 24L vs. STM Good Myth Backpack 28L

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

Aer Pro Pack 24L

by Aer
Front facing view of the Aer Pro Pack 24L
Capacity24 L
Weight1.3 kg
Dimensions47×32×19 cm
Airline fit92%
Price$200

Feature by feature

Aer Pro Pack 24LFeatureSTM Good Myth Backpack 28L
Storage
N Compression N
None Expanded Capacity None
1 Opening 0
top Passport N
Y Passthrough Y
Carry
Y Backpack Y
N Hip Belt N
Y Sternum Strap Y
Inside
16in Laptop 16in
4 Main Compartments 4
Y Organizer N
Outside
× Hard Shell ×
N Rain-fly N
2, side Water Bottle Holder 2
Y Water Resistant Y
Material
840D CORDURA re/cor recycled nylon100% polyester

STM Good Myth Backpack 28L

by Stm
Front facing view of the STM Good Myth Backpack 28L
Capacity28 L
Weight1.2 kg
Dimensions46×31×18 cm
Airline fit94%
Price$140

Key differences between the Aer Pro Pack 24L and STM Good Myth Backpack 28L

Both have: 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. 174 accept both. 0 accept only the Aer Pro Pack 24L, and 3 accept only the STM Good Myth Backpack 28L.

Only the STM Good Myth Backpack 28L fits

American Eagle, easyJet, Ravn Alaska.

Aer Pro Pack 24L vs. STM Good Myth Backpack 28L: which should you pack?

The STM Good Myth Backpack 28L carries 4L more than the Aer Pro Pack 24L (24L vs. 28L), while the STM Good Myth Backpack 28L is the lighter pack at 1.2kg (vs. 1.3kg). For carry-on flexibility, the STM Good Myth Backpack 28L fits 94% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the STM Good Myth Backpack 28L; if you want to travel lighter, the STM Good Myth Backpack 28L is the better call.