Patagonia Tres Backpack 25L vs. OPPOSETHIS Ark - 2020
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 | OPPOSETHIS Ark - 2020 |
|---|---|---|
| Storage | ||
| N | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| N | Passport | N |
| Y | Passthrough | N |
| Carry | ||
| hideable | Backpack | N |
| N | Hip Belt | N |
| Y | Sternum Strap | Y |
| Inside | ||
| 15in | Laptop | 16in |
| 1 | Main Compartments | 1 |
| Y | Organizer | Y |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| N | Water Bottle Holder | 1 |
| Y | Water Resistant | Y |
| Material | |
| 630-denier 100% nylon, 200-denier 100% recycled polyester | 800x600D lightweight waterproof nylon-polyester blend |
OPPOSETHIS Ark - 2020
| Capacity | 25 L |
| Weight | 0.95 kg |
| Dimensions | 49×30×17 cm |
| Airline fit | 92% |
| Price | $244 |
Key differences between the Patagonia Tres Backpack 25L and OPPOSETHIS Ark - 2020
- Luggage passthrough: Yes on the Patagonia Tres Backpack 25L; No on the OPPOSETHIS Ark - 2020.
- Backpack straps: Hideable on the Patagonia Tres Backpack 25L; No on the OPPOSETHIS Ark - 2020.
- Laptop sleeve: 15in on the Patagonia Tres Backpack 25L; 16in on the OPPOSETHIS Ark - 2020.
- Water bottle pockets: No on the Patagonia Tres Backpack 25L; 1 on the OPPOSETHIS Ark - 2020.
Both have: 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. 172 accept both. 2 accept only the Patagonia Tres Backpack 25L, and 1 accept only the OPPOSETHIS Ark - 2020.
Only the Patagonia Tres Backpack 25L fits
Regional Express, Virgin Australia.
Only the OPPOSETHIS Ark - 2020 fits
Air Niugini.
Patagonia Tres Backpack 25L vs. OPPOSETHIS Ark - 2020: which should you pack?
The Patagonia Tres Backpack 25L carries the same capacity as the OPPOSETHIS Ark - 2020 (25L vs. 25L), while the Patagonia Tres Backpack 25L is the lighter pack at 0.9kg (vs. 0.95kg). 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 Patagonia Tres Backpack 25L; if you want to travel lighter, the Patagonia Tres Backpack 25L is the better call.