Bellroy Classic Backpack Plus vs. STM Dux Backpack
Two carry-on travel backpacks, compared spec for spec.
Bellroy Classic Backpack Plus
| Capacity | 22 L |
| Weight | 1 kg |
| Dimensions | 52×30×21 cm |
| Airline fit | 71% |
| Price | $179 |
Feature by feature
| Bellroy Classic Backpack Plus | Feature | STM Dux Backpack |
|---|---|---|
| Storage | ||
| N | Compression | N |
| None | Expanded Capacity | None |
| 4 | Opening | 4 |
| Y | Passport | Y |
| N | Passthrough | |
| Carry | ||
| Y | Backpack | Y |
| N | Hip Belt | N |
| N | Sternum Strap | Y |
| Inside | ||
| 15in | Laptop | 15in |
| 1 | Main Compartments | 1 |
| N | Organizer | N |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| N | Water Bottle Holder | 2 |
| Y | Water Resistant | Y |
| Material | |
| Venture-weave polyester and leather | 500D x 750D Polyester |
STM Dux Backpack
| Capacity | 30 L |
| Weight | 1.78 kg |
| Dimensions | 50.8×33×24.1 cm |
| Airline fit | 39% |
| Price | $250 |
Key differences between the Bellroy Classic Backpack Plus and STM Dux Backpack
- Sternum strap: No on the Bellroy Classic Backpack Plus; Yes on the STM Dux Backpack.
- Water bottle pockets: No on the Bellroy Classic Backpack Plus; 2 on the STM Dux Backpack.
Both have: passport pocket, backpack straps, 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. 73 accept both. 61 accept only the Bellroy Classic Backpack Plus, and 0 accept only the STM Dux Backpack.
Only the Bellroy Classic Backpack Plus 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, 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, Pakistan International, Porter Airlines, Qantas Airways, Republic Airways, 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, WestJet.
Bellroy Classic Backpack Plus vs. STM Dux Backpack: which should you pack?
The STM Dux Backpack carries 8L more than the Bellroy Classic Backpack Plus (22L vs. 30L), while the Bellroy Classic Backpack Plus is the lighter pack at 1kg (vs. 1.78kg). For carry-on flexibility, the Bellroy Classic Backpack Plus fits 71% 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 Bellroy Classic Backpack Plus is the better call.