STM Dux Backpack vs. Pacsafe Vibe 28L Anti-Theft Backpack
Two carry-on travel backpacks, compared spec for spec.
STM Dux Backpack
| Capacity | 30 L |
| Weight | 1.78 kg |
| Dimensions | 50.8×33×24.1 cm |
| Airline fit | 39% |
| Price | $250 |
Feature by feature
| STM Dux Backpack | Feature | Pacsafe Vibe 28L 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 | 16in |
| 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 | 210D Nylon projection ripstop, 200D Polyester |
Pacsafe Vibe 28L Anti-Theft Backpack
| Capacity | 28 L |
| Weight | 1.02 kg |
| Dimensions | 47×31×21 cm |
| Airline fit | 74% |
| Price | $150 |
Key differences between the STM Dux Backpack and Pacsafe Vibe 28L Anti-Theft Backpack
- Laptop sleeve: 15in on the STM Dux Backpack; 16in on the Pacsafe Vibe 28L Anti-Theft Backpack.
- Built-in organizer: No on the STM Dux Backpack; Yes on the Pacsafe Vibe 28L 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 67 accept only the Pacsafe Vibe 28L Anti-Theft Backpack.
Only the Pacsafe Vibe 28L Anti-Theft Backpack fits
Aer Lingus, Air Asia, Air Canada, Air Macau, Air Wisconsin, AirAsiaX, Alaska Airlines, Allegiant Air, American Airlines, Austrian, Avianca , Azerbaijan Airlines, Bahamasair, Bangkok Airways, Biman Bangladesh, Brussels Airlines, Cambodia Angkor Air, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, CommutAir, Delta Airlines, Dragonair, Ethiopian Airlines, Etihad Airways, Eurowings, EVA Air, Fiji Airways, Flair Air, Garuda Indonesia, Hawaiian Airlines, Hong Kong Airlines, jetBlue Airways, Jetstar Airways, Jetstar Asia, Kulula, Liat Airlines, LOT Polish, Lufthansa, Mahan Air, Malaysia Airlines, Mango, Mesa Airlines, Norwegian, Oman Air, Pakistan International, Porter Airlines, Qantas Airways, Qatar Airways, Regional Express, Republic Airways, Royal Jordanian, SAS Scandinavian, Scoot, Skywest, Inc., South African Airways, SriLankan Airlines, Swiss Int'l Air Lines, Tiger Airways, Trans States, Turkish Airlines, United Airlines, Vietnam Airlines, Virgin Atlantic, Virgin Australia, WestJet.
STM Dux Backpack vs. Pacsafe Vibe 28L Anti-Theft Backpack: which should you pack?
The STM Dux Backpack carries 2L more than the Pacsafe Vibe 28L Anti-Theft Backpack (30L vs. 28L), while the Pacsafe Vibe 28L Anti-Theft Backpack is the lighter pack at 1.02kg (vs. 1.78kg). For carry-on flexibility, the Pacsafe Vibe 28L Anti-Theft Backpack fits 74% 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 28L Anti-Theft Backpack is the better call.