OpposeThis Invisible Backpack 3 vs. Patagonia Arbor Lid Pack 28L
Two carry-on travel backpacks, compared spec for spec.
OpposeThis Invisible Backpack 3
| Capacity | 23 L |
| Weight | 0.9 kg |
| Dimensions | 49×35×19 cm |
| Airline fit | 90% |
| Price | $250 |
Feature by feature
| OpposeThis Invisible Backpack 3 | Feature | Patagonia Arbor Lid Pack 28L |
|---|---|---|
| Storage | ||
| N | Compression | N |
| None | Expanded Capacity | None |
| 3 | Opening | 3 |
| top | Passport | N |
| N | Passthrough | N |
| Carry | ||
| Y | Backpack | Y |
| N | Hip Belt | N |
| removable | Sternum Strap | Y |
| Inside | ||
| 15in | Laptop | 15in |
| 5 | Main Compartments | 1 |
| N | Organizer | N |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| N | Water Bottle Holder | N |
| Y | Water Resistant | Y |
| Material | |
| 800x600D lightweight waterproof nylon-polyester blend | 600-denier 100% recycled polyester, 00-denier 100% recycled polyester |
Patagonia Arbor Lid Pack 28L
| Capacity | 28 L |
| Weight | 0.52 kg |
| Dimensions | 49×27×13 cm |
| Airline fit | 92% |
| Price | $101 |
Key differences between the OpposeThis Invisible Backpack 3 and Patagonia Arbor Lid Pack 28L
- Passport pocket: Top on the OpposeThis Invisible Backpack 3; No on the Patagonia Arbor Lid Pack 28L.
- Sternum strap: Removable on the OpposeThis Invisible Backpack 3; Yes on the Patagonia Arbor Lid Pack 28L.
- Main compartments: 5 on the OpposeThis Invisible Backpack 3; 1 on the Patagonia Arbor Lid Pack 28L.
Both have: backpack straps, laptop sleeve, water resistant.
Which airlines take each bag as a carry-on
We checked both bags against the carry-on size limits of 189 airlines. 171 accept both. 0 accept only the OpposeThis Invisible Backpack 3, and 3 accept only the Patagonia Arbor Lid Pack 28L.
Only the Patagonia Arbor Lid Pack 28L fits
Air Niugini, Cayman Airways, Great Lakes Airlines.
OpposeThis Invisible Backpack 3 vs. Patagonia Arbor Lid Pack 28L: which should you pack?
The Patagonia Arbor Lid Pack 28L carries 5L more than the OpposeThis Invisible Backpack 3 (23L vs. 28L), while the Patagonia Arbor Lid Pack 28L is the lighter pack at 0.52kg (vs. 0.9kg). For carry-on flexibility, the Patagonia Arbor Lid Pack 28L fits 92% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Patagonia Arbor Lid Pack 28L; if you want to travel lighter, the Patagonia Arbor Lid Pack 28L is the better call.