Aer Travel Pack 2 vs. Tom Bihn Techonaut 30

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

Aer Travel Pack 2

by Aer
Front facing view of the Aer Travel Pack 2
Capacity33 L
Weight1.7 kg
Dimensions55×34×22 cm
Airline fit69%
Price$230

Feature by feature

Aer Travel Pack 2FeatureTom Bihn Techonaut 30
Storage
4 Compression N
None Expanded Capacity None
1 Opening 1
top Passport top
Y Passthrough Y
Carry
Y Backpack hideable
optional Hip Belt removable
removable Sternum Strap removable
Inside
16in Laptop 16in
5 Main Compartments 5
Y Organizer N
Outside
× Hard Shell ×
N Rain-fly N
1, side Water Bottle Holder 1, side
Y Water Resistant Y
Material
Grey: 900D eco-dyed polyester Black / Blue: 1680D Cordura® ballistic nylon exterior400d Halcyon/420d nylon ripstop exterior

Tom Bihn Techonaut 30

Capacity30 L
Weight1 kg
Dimensions50×32×21 cm
Airline fit73%
Price$400

Key differences between the Aer Travel Pack 2 and Tom Bihn Techonaut 30

Both have: passport pocket, luggage passthrough, sternum strap, laptop sleeve, water bottle pockets, water resistant.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 130 accept both. 0 accept only the Aer Travel Pack 2, and 8 accept only the Tom Bihn Techonaut 30.

Only the Tom Bihn Techonaut 30 fits

Etihad Airways, Liat Airlines, Oman Air, Qatar Airways, Royal Jordanian, Scoot, Tiger Airways, WestJet.

Aer Travel Pack 2 vs. Tom Bihn Techonaut 30: which should you pack?

The Aer Travel Pack 2 carries 3L more than the Tom Bihn Techonaut 30 (33L vs. 30L), while the Tom Bihn Techonaut 30 is the lighter pack at 1kg (vs. 1.7kg). For carry-on flexibility, the Tom Bihn Techonaut 30 fits 73% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Aer Travel Pack 2; if you want to travel lighter, the Tom Bihn Techonaut 30 is the better call.