Ortlieb Atrack ST vs. Ortlieb Atrack
Two carry-on travel backpacks, compared spec for spec.
Ortlieb Atrack ST
| Capacity | 25 L |
| Weight | 1.41 kg |
| Dimensions | 56×26×25 cm |
| Airline fit | 27% |
| Price | $250 |
Feature by feature
| Ortlieb Atrack ST | Feature | Ortlieb Atrack |
|---|---|---|
| Storage | ||
| Y | Compression | removable |
| None | Expanded Capacity | None |
| 4 | Opening | 0 |
| N | Passport | N |
| N | Passthrough | N |
| Carry | ||
| Y | Backpack | Y |
| Y | Hip Belt | Y |
| Y | Sternum Strap | Y |
| Inside | ||
| N | Laptop | N |
| 1 | Main Compartments | 1 |
| Organizer | N | |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| 2 | Water Bottle Holder | 2 |
| Y | Water Resistant | Y |
| Material | |
| PS33 | PS33 |
Key differences between the Ortlieb Atrack ST and Ortlieb Atrack
- Compression straps: Yes on the Ortlieb Atrack ST; Removable on the Ortlieb Atrack.
- Opening: Top zip on the Ortlieb Atrack ST; Other on the Ortlieb Atrack.
Both have: backpack straps, hip belt, 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. 51 accept both. 0 accept only the Ortlieb Atrack ST, and 38 accept only the Ortlieb Atrack.
Only the Ortlieb Atrack fits
Air Asia, Air Macau, Air Wisconsin, AirAsiaX, Alaska Airlines, Allegiant Air, American Airlines, Avianca , Bahamasair, Bangkok Airways, Biman Bangladesh, Cambodia Angkor Air, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, CommutAir, Delta Airlines, Dragonair, EVA Air, Garuda Indonesia, Hawaiian Airlines, Hong Kong Airlines, jetBlue Airways, Jetstar Airways, Jetstar Asia, Kulula, Malaysia Airlines, Mango, Qantas Airways, Republic Airways, Skywest, Inc., South African Airways, SriLankan Airlines, Trans States, United Airlines, Vietnam Airlines, Virgin Atlantic.
Ortlieb Atrack ST vs. Ortlieb Atrack: which should you pack?
The Ortlieb Atrack ST carries the same capacity as the Ortlieb Atrack (25L vs. 25L), while the Ortlieb Atrack ST is the lighter pack at 1.41kg (vs. 1.43kg). For carry-on flexibility, the Ortlieb Atrack fits 47% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Ortlieb Atrack ST; if you want to travel lighter, the Ortlieb Atrack ST is the better call.