Patagonia Tres Backpack 25L vs. Deuter Aviant Carry On 28 SL
Two carry-on travel backpacks, compared spec for spec.
Patagonia Tres Backpack 25L
| Capacity | 25 L |
| Weight | 0.9 kg |
| Dimensions | 48×31×17 cm |
| Airline fit | 92% |
| Price | $129 |
Feature by feature
| Patagonia Tres Backpack 25L | Feature | Deuter Aviant Carry On 28 SL |
|---|---|---|
| Storage | ||
| N | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| N | Passport | N |
| Y | Passthrough | N |
| Carry | ||
| hideable | Backpack | hideable |
| N | Hip Belt | N |
| Y | Sternum Strap | N |
| Inside | ||
| 15in | 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 | |
| 630-denier 100% nylon, 200-denier 100% recycled polyester | 600D PES, 420D PA |
Deuter Aviant Carry On 28 SL
| Capacity | 28 L |
| Weight | 1.02 kg |
| Dimensions | 50×33×20 cm |
| Airline fit | 91% |
| Price | $104 |
Key differences between the Patagonia Tres Backpack 25L and Deuter Aviant Carry On 28 SL
- Luggage passthrough: Yes on the Patagonia Tres Backpack 25L; No on the Deuter Aviant Carry On 28 SL.
- Sternum strap: Yes on the Patagonia Tres Backpack 25L; No on the Deuter Aviant Carry On 28 SL.
Both have: backpack straps, laptop sleeve, 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. 172 accept both. 2 accept only the Patagonia Tres Backpack 25L, and 0 accept only the Deuter Aviant Carry On 28 SL.
Only the Patagonia Tres Backpack 25L fits
Regional Express, Virgin Australia.
Patagonia Tres Backpack 25L vs. Deuter Aviant Carry On 28 SL: which should you pack?
The Deuter Aviant Carry On 28 SL carries 3L more than the Patagonia Tres Backpack 25L (25L vs. 28L), while the Patagonia Tres Backpack 25L is the lighter pack at 0.9kg (vs. 1.02kg). For carry-on flexibility, the Patagonia Tres Backpack 25L fits 92% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Deuter Aviant Carry On 28 SL; if you want to travel lighter, the Patagonia Tres Backpack 25L is the better call.