Pakt One Travel Backpack 35L vs. Tom Bihn Techonaut 30

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

Pakt One Travel Backpack 35L

by Pakt
Front facing view of the Pakt One Travel Backpack 35L
Capacity35 L
Weight1.8 kg
Dimensions50×32×23 cm
Airline fit72%
Price$325

Feature by feature

Pakt One Travel Backpack 35LFeatureTom Bihn Techonaut 30
Storage
N Compression N
40L Expanded Capacity None
1 Opening 1
top Passport top
N Passthrough Y
Carry
hideable Backpack hideable
removable Hip Belt removable
removable Sternum Strap removable
Inside
16in Laptop 16in
5 Main Compartments 5
N Organizer N
Outside
× Hard Shell ×
N Rain-fly N
1, side Water Bottle Holder 1, side
Y Water Resistant Y
Material
420D rNylon Wave PFAS-free400d 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 Pakt One Travel Backpack 35L and Tom Bihn Techonaut 30

Both have: passport pocket, backpack straps, hip belt, 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. 136 accept both. 0 accept only the Pakt One Travel Backpack 35L, and 2 accept only the Tom Bihn Techonaut 30.

Only the Tom Bihn Techonaut 30 fits

Liat Airlines, Pakistan International.

Pakt One Travel Backpack 35L vs. Tom Bihn Techonaut 30: which should you pack?

The Pakt One Travel Backpack 35L carries 5L more than the Tom Bihn Techonaut 30 (35L vs. 30L), while the Tom Bihn Techonaut 30 is the lighter pack at 1kg (vs. 1.8kg). 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 Pakt One Travel Backpack 35L; if you want to travel lighter, the Tom Bihn Techonaut 30 is the better call.