Deuter Trans Alpine 28 SL vs. Ortlieb Atrack ST
Two carry-on travel backpacks, compared spec for spec.
Deuter Trans Alpine 28 SL
| Capacity | 28 L |
| Weight | 1.19 kg |
| Dimensions | 52×26×22 cm |
| Airline fit | 71% |
| Price | $145 |
Feature by feature
| Deuter Trans Alpine 28 SL | Feature | Ortlieb Atrack ST |
|---|---|---|
| Storage | ||
| Y | Compression | Y |
| None | Expanded Capacity | None |
| 4 | Opening | 4 |
| 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 |
| Y | Organizer | |
| Outside | ||
| × | Hard Shell | × |
| Y | Rain-fly | N |
| 2 | Water Bottle Holder | 2 |
| Y | Water Resistant | Y |
| Material | |
| 210D PA, 600D PES | PS33 |
Ortlieb Atrack ST
| Capacity | 25 L |
| Weight | 1.41 kg |
| Dimensions | 56×26×25 cm |
| Airline fit | 27% |
| Price | $250 |
Key differences between the Deuter Trans Alpine 28 SL and Ortlieb Atrack ST
- Rain cover: Yes on the Deuter Trans Alpine 28 SL; No on the Ortlieb Atrack ST.
Both have: compression straps, 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. 83 accept only the Deuter Trans Alpine 28 SL, and 0 accept only the Ortlieb Atrack ST.
Only the Deuter Trans Alpine 28 SL fits
Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Asia, Air Canada, Air Caraibes, Air France, Air India, Air Macau, Air Mauritius, Air Wisconsin, AirAsiaX, Alaska Airlines, All Nipon Airways, Allegiant Air, American Airlines, ANA, Austrian, Avianca , Azerbaijan Airlines, Bahamasair, Bangkok Airways, Biman Bangladesh, Boliviana de Aviacion, Brussels Airlines, Cambodia Angkor Air, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, CommutAir, Czech Airlines, Delta Airlines, Dragonair, Ethiopian Airlines, Eurowings, EVA Air, Fiji Airways, Flair Air, Garuda Indonesia, Gol Linhas Aereas, Hawaiian Airlines, Hong Kong Airlines, Iberia, Indigo, Interjet, Iran Air, Japan Airlines, Jet Airways, jetBlue Airways, Jetstar Airways, Jetstar Asia, Kenya Airways, KLM, Kulula, LATAM , LOT Polish, Lufthansa, Mahan Air, Malaysia Airlines, Mango, Mesa Airlines, Norwegian, Pakistan International, Peach, Porter Airlines, Qantas Airways, Republic Airways, SAS Scandinavian, Scoot, Sky Airlines, 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.
Deuter Trans Alpine 28 SL vs. Ortlieb Atrack ST: which should you pack?
The Deuter Trans Alpine 28 SL carries 3L more than the Ortlieb Atrack ST (28L vs. 25L), while the Deuter Trans Alpine 28 SL is the lighter pack at 1.19kg (vs. 1.41kg). For carry-on flexibility, the Deuter Trans Alpine 28 SL fits 71% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Deuter Trans Alpine 28 SL; if you want to travel lighter, the Deuter Trans Alpine 28 SL is the better call.