Deuter Aviant Access 38 SL vs. Patagonia Tres MLC® 45L
Two carry-on travel backpacks, compared spec for spec.
Deuter Aviant Access 38 SL
| Capacity | 38 L |
| Weight | 1.54 kg |
| Dimensions | 55×35×23 cm |
| Airline fit | 67% |
| Price | $120 |
Feature by feature
| Deuter Aviant Access 38 SL | Feature | Patagonia Tres MLC® 45L |
|---|---|---|
| Storage | ||
| Y | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| N | Passport | N |
| Y | Passthrough | Y |
| Carry | ||
| hideable | Backpack | hideable |
| N | Hip Belt | N |
| Y | Sternum Strap | Y |
| Inside | ||
| 13in | Laptop | 15in |
| 1 | Main Compartments | 1 |
| Y | Organizer | Y |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| N | Water Bottle Holder | N |
| Y | Water Resistant | Y |
| Material | |
| 600D PES, 420D PA | 630-denier nylon, 200-denier 100% recycled polyeste |
Patagonia Tres MLC® 45L
| Capacity | 45 L |
| Weight | 1.5 kg |
| Dimensions | 54×41×18 cm |
| Airline fit | 26% |
| Price | $179 |
Key differences between the Deuter Aviant Access 38 SL and Patagonia Tres MLC® 45L
- Compression straps: Yes on the Deuter Aviant Access 38 SL; No on the Patagonia Tres MLC® 45L.
- Laptop sleeve: 13in on the Deuter Aviant Access 38 SL; 15in on the Patagonia Tres MLC® 45L.
Both have: luggage passthrough, backpack straps, sternum strap, built-in organizer, water resistant.
Which airlines take each bag as a carry-on
We checked both bags against the carry-on size limits of 189 airlines. 49 accept both. 78 accept only the Deuter Aviant Access 38 SL, and 0 accept only the Patagonia Tres MLC® 45L.
Only the Deuter Aviant Access 38 SL fits
Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Asia, Air Canada, 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, Cebu Pacific, China Airlines, CommutAir, Conviasa, Copa Airlines, Delta Airlines, Dragonair, Ethiopian Airlines, Eurowings, EVA Air, Fiji Airways, Flair Air, Garuda Indonesia, Gol Linhas Aereas, Hawaiian Airlines, Hong Kong Airlines, Indigo, Interjet, 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, Middle East Airlines, Monarch Airlines, Norwegian, Peach, Porter Airlines, Qantas Airways, Republic Airways, SAS Scandinavian, Sky Airlines, Skywest, Inc., South African Airways, SriLankan Airlines, Swiss Int'l Air Lines, Trans States, Turkish Airlines, United Airlines, Vietnam Airlines, Virgin Atlantic.
Deuter Aviant Access 38 SL vs. Patagonia Tres MLC® 45L: which should you pack?
The Patagonia Tres MLC® 45L carries 7L more than the Deuter Aviant Access 38 SL (38L vs. 45L), while the Patagonia Tres MLC® 45L is the lighter pack at 1.5kg (vs. 1.54kg). For carry-on flexibility, the Deuter Aviant Access 38 SL fits 67% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Patagonia Tres MLC® 45L; if you want to travel lighter, the Patagonia Tres MLC® 45L is the better call.