STM Dux Backpack vs. Pacsafe Vibe 25L ECONYL® Anti-Theft Backpack

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 BackpackFeaturePacsafe Vibe 25L ECONYL® Anti-Theft Backpack
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 13in
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 Polyester400D ECONYL® regenerated nylon dobby, 150D Recycled polyester

Pacsafe Vibe 25L ECONYL® Anti-Theft Backpack

Front facing view of the Pacsafe Vibe 25L ECONYL® Anti-Theft Backpack
Capacity25 L
Weight0.97 kg
Dimensions48×28×19 cm
Airline fit93%
Price$150

Key differences between the STM Dux Backpack and Pacsafe Vibe 25L ECONYL® Anti-Theft Backpack

Both have: passport pocket, backpack straps, sternum strap, 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 103 accept only the Pacsafe Vibe 25L ECONYL® Anti-Theft Backpack.

Only the Pacsafe Vibe 25L ECONYL® Anti-Theft Backpack fits

Aer Lingus, Air Asia, Air Baltic, Air Canada, Air China, Air Macau, Air Malta, Air Niugini, Air Serbia, Air Seychelles, Air Wisconsin, AirAsiaX, Alaska Airlines, Allegiant Air, American Airlines, 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, Emirates Airlines, Enter Air, Ethiopian Airlines, Etihad Airways, Eurowings, EVA Air, Fiji Airways, Flair Air, flybe, Garuda Indonesia, Great Lakes Airlines, 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, 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. Pacsafe Vibe 25L ECONYL® Anti-Theft Backpack: which should you pack?

The STM Dux Backpack carries 5L more than the Pacsafe Vibe 25L ECONYL® Anti-Theft Backpack (30L vs. 25L), while the Pacsafe Vibe 25L ECONYL® Anti-Theft Backpack is the lighter pack at 0.97kg (vs. 1.78kg). For carry-on flexibility, the Pacsafe Vibe 25L ECONYL® Anti-Theft Backpack fits 93% 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 Pacsafe Vibe 25L ECONYL® Anti-Theft Backpack is the better call.