GORUCK GR1 USA - X-PAC vs. OpposeThis Invisible Backpack 3
Two carry-on travel backpacks, compared spec for spec.
GORUCK GR1 USA - X-PAC
| Capacity | 21 L |
| Weight | 1 kg |
| Dimensions | 46×29×14 cm |
| Airline fit | 94% |
| Price | $335 |
Feature by feature
| GORUCK GR1 USA - X-PAC | Feature | OpposeThis Invisible Backpack 3 |
|---|---|---|
| Storage | ||
| N | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 3 |
| top | Passport | top |
| N | Passthrough | N |
| Carry | ||
| Y | Backpack | Y |
| N | Hip Belt | N |
| N | Sternum Strap | removable |
| Inside | ||
| 15in | Laptop | 15in |
| 3 | Main Compartments | 5 |
| N | Organizer | N |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| N | Water Bottle Holder | N |
| Y | Water Resistant | Y |
| Material | |
| XPAC VX21 | 800x600D lightweight waterproof nylon-polyester blend |
OpposeThis Invisible Backpack 3
| Capacity | 23 L |
| Weight | 0.9 kg |
| Dimensions | 49×35×19 cm |
| Airline fit | 90% |
| Price | $250 |
Key differences between the GORUCK GR1 USA - X-PAC and OpposeThis Invisible Backpack 3
- Opening: Clamshell on the GORUCK GR1 USA - X-PAC; Top flap on the OpposeThis Invisible Backpack 3.
- Sternum strap: No on the GORUCK GR1 USA - X-PAC; Removable on the OpposeThis Invisible Backpack 3.
- Main compartments: 3 on the GORUCK GR1 USA - X-PAC; 5 on the OpposeThis Invisible Backpack 3.
Both have: passport pocket, 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. 7 accept only the GORUCK GR1 USA - X-PAC, and 0 accept only the OpposeThis Invisible Backpack 3.
Only the GORUCK GR1 USA - X-PAC fits
Air Niugini, American Eagle, Cayman Airways, easyJet, Ravn Alaska, Regional Express, Virgin Australia.
GORUCK GR1 USA - X-PAC vs. OpposeThis Invisible Backpack 3: which should you pack?
The OpposeThis Invisible Backpack 3 carries 2L more than the GORUCK GR1 USA - X-PAC (21L vs. 23L), while the OpposeThis Invisible Backpack 3 is the lighter pack at 0.9kg (vs. 1kg). For carry-on flexibility, the GORUCK GR1 USA - X-PAC fits 94% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the OpposeThis Invisible Backpack 3; if you want to travel lighter, the OpposeThis Invisible Backpack 3 is the better call.