Pakt One Travel Backpack 35L vs. Tortuga Travel Backpack Pro 40L

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 35LFeatureTortuga Travel Backpack Pro 40L
Storage
N Compression N
40L Expanded Capacity None
1 Opening 1
top Passport top
N Passthrough N
Carry
hideable Backpack Y
removable Hip Belt removable
removable Sternum Strap Y
Inside
16in Laptop 16in
5 Main Compartments 5
N Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
1, side Water Bottle Holder 2, side
Y Water Resistant Y
Material
420D rNylon Wave PFAS-freeSHELL200

Tortuga Travel Backpack Pro 40L

Capacity40 L
Weight2 kg
Dimensions55×35×20 cm
Airline fit86%
Price$350

Key differences between the Pakt One Travel Backpack 35L and Tortuga Travel Backpack Pro 40L

Both have: passport pocket, hip belt, 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. 128 accept both. 8 accept only the Pakt One Travel Backpack 35L, and 34 accept only the Tortuga Travel Backpack Pro 40L.

Only the Pakt One Travel Backpack 35L fits

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

Only the Tortuga Travel Backpack Pro 40L fits

Air Baltic, Air China, Air Malta, Air Serbia, Air Seychelles, Asiana Airlines, ATA Airlines, Blue Air, Bulgaria Air, China Eastern, Emirates Airlines, Enter Air, flybe, Icelandair, InselAir, Juneyao Airlines, Luxair, Meridiana Fly, Nordwind Airlines, Pakistan International, Royal Brunei Airlines, Ryanair, S7, Shandong Airlines, Shenzhen Airlines, Sun Express, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), TUI, Ukraine International, VIM Airlines (Closed), Volotea, Xiamen.

Pakt One Travel Backpack 35L vs. Tortuga Travel Backpack Pro 40L: which should you pack?

The Tortuga Travel Backpack Pro 40L carries 5L more than the Pakt One Travel Backpack 35L (35L vs. 40L), while the Pakt One Travel Backpack 35L is the lighter pack at 1.8kg (vs. 2kg). For carry-on flexibility, the Tortuga Travel Backpack Pro 40L fits 86% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Tortuga Travel Backpack Pro 40L; if you want to travel lighter, the Pakt One Travel Backpack 35L is the better call.