Tortuga Setout Divide vs. Gregory Border 18
Two carry-on travel backpacks, compared spec for spec.
Tortuga Setout Divide
| Capacity | 26 L |
| Weight | 1.7 kg |
| Dimensions | 51×34×16 cm |
| Airline fit | 89% |
| Price | $209 |
Feature by feature
| Tortuga Setout Divide | Feature | Gregory Border 18 |
|---|---|---|
| Storage | ||
| Y | Compression | N |
| None | Expanded Capacity | None |
| 0 | Opening | 0 |
| front | Passport | top |
| Y | Passthrough | Y |
| Carry | ||
| hideable | Backpack | Y |
| removable | Hip Belt | N |
| removable | Sternum Strap | Y |
| Inside | ||
| 15in | Laptop | 15in |
| 4 | Main Compartments | 4 |
| Y | Organizer | Y |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| N | Water Bottle Holder | N |
| Y | Water Resistant | Y |
| Material | |
| 900D heathered polyester | 210D High Density Nylon |
Gregory Border 18
| Capacity | 18 L |
| Weight | 0.8 kg |
| Dimensions | 47×29×16 cm |
| Airline fit | 93% |
| Price | $120 |
Key differences between the Tortuga Setout Divide and Gregory Border 18
- Compression straps: Yes on the Tortuga Setout Divide; No on the Gregory Border 18.
- Passport pocket: Front on the Tortuga Setout Divide; Top on the Gregory Border 18.
- Backpack straps: Hideable on the Tortuga Setout Divide; Yes on the Gregory Border 18.
- Hip belt: Removable on the Tortuga Setout Divide; No on the Gregory Border 18.
- Sternum strap: Removable on the Tortuga Setout Divide; Yes on the Gregory Border 18.
Both have: luggage passthrough, 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. 169 accept both. 0 accept only the Tortuga Setout Divide, and 6 accept only the Gregory Border 18.
Only the Gregory Border 18 fits
Air Niugini, Belavia, Etihad Airways, Qatar Airways, Regional Express, Virgin Australia.
Tortuga Setout Divide vs. Gregory Border 18: which should you pack?
The Tortuga Setout Divide carries 8L more than the Gregory Border 18 (26L vs. 18L), while the Gregory Border 18 is the lighter pack at 0.8kg (vs. 1.7kg). For carry-on flexibility, the Gregory Border 18 fits 93% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Tortuga Setout Divide; if you want to travel lighter, the Gregory Border 18 is the better call.