STM Dux Backpack vs. Jansport Field Pack

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

STM Dux Backpack

by Stm
Front facing view of the STM Dux Backpack
Capacity30 L
Weight1.78 kg
Dimensions50.8×33×24.1 cm
Airline fit39%
Price$250

Feature by feature

STM Dux BackpackFeatureJansport Field Pack
Storage
N Compression N
None Expanded Capacity None
4 Opening 4
Y Passport Y
Passthrough N
Carry
Y Backpack Y
N Hip Belt N
Y Sternum Strap Y
Inside
15in Laptop 15in
1 Main Compartments 1
N Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
2 Water Bottle Holder 2
Y Water Resistant Y
Material
500D x 750D Polyester

Jansport Field Pack

Front facing view of the Jansport Field Pack
Capacity28 L
Weight0.56 kg
Dimensions43×31×13 cm
Airline fit95%
Price$55

Key differences between the STM Dux Backpack and Jansport Field Pack

Both have: passport pocket, backpack straps, 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. 73 accept both. 0 accept only the STM Dux Backpack, and 106 accept only the Jansport Field Pack.

Only the Jansport Field Pack fits

Aer Lingus, Air Asia, Air Baltic, Air Canada, Air China, Air Macau, Air Malta, Air Serbia, Air Seychelles, Air Tahiti, Air Wisconsin, AirAsiaX, Alaska Airlines, Allegiant Air, American Airlines, American Eagle, Asiana Airlines, ATA Airlines, Austrian, Avianca , Azerbaijan Airlines, Bahamasair, Bangkok Airways, Belavia, Biman Bangladesh, Blue Air, Brussels Airlines, Bulgaria Air, Cambodia Angkor Air, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, China Eastern, CommutAir, Delta Airlines, Dragonair, easyJet, Emirates Airlines, Enter Air, Ethiopian Airlines, Etihad Airways, Eurowings, EVA Air, Fiji Airways, Flair Air, flybe, Garuda Indonesia, Gulf Air, Hawaiian Airlines, Hong Kong Airlines, Icelandair, InselAir, jetBlue Airways, Jetstar Airways, Jetstar Asia, Juneyao Airlines, Kulula, Liat Airlines, LOT Polish, Lufthansa, Luxair, Mahan Air, Malaysia Airlines, Mango, Meridiana Fly, Mesa Airlines, Nordwind Airlines, Norwegian, Oman Air, Pakistan International, Porter Airlines, Qantas Airways, Qatar Airways, Ravn Alaska, Regional Express, Republic Airways, Royal Brunei Airlines, Royal Jordanian, Ryanair, S7, SAS Scandinavian, Scoot, Shandong Airlines, Shenzhen Airlines, Skywest, Inc., South African Airways, SriLankan Airlines, Sun Express, Swiss Int'l Air Lines, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), Tiger Airways, Trans States, TUI, Turkish Airlines, Ukraine International, United Airlines, Vietnam Airlines, VIM Airlines (Closed), Virgin Atlantic, Virgin Australia, Volotea, WestJet, Xiamen.

STM Dux Backpack vs. Jansport Field Pack: which should you pack?

The STM Dux Backpack carries 2L more than the Jansport Field Pack (30L vs. 28L), while the Jansport Field Pack is the lighter pack at 0.56kg (vs. 1.78kg). For carry-on flexibility, the Jansport Field Pack fits 95% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the STM Dux Backpack; if you want to travel lighter, the Jansport Field Pack is the better call.