Tortuga Setout Divide vs. Attitude Supply ATD2 Backpack
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 | Attitude Supply ATD2 Backpack |
|---|---|---|
| Storage | ||
| Y | Compression | 4 |
| None | Expanded Capacity | 31L |
| 0 | Opening | 1 |
| front | Passport | front |
| Y | Passthrough | Y |
| Carry | ||
| hideable | Backpack | removable |
| removable | Hip Belt | removable |
| removable | Sternum Strap | removable |
| Inside | ||
| 15in | Laptop | 15in |
| 4 | Main Compartments | 2 |
| Y | Organizer | Y |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| N | Water Bottle Holder | 2, side |
| Y | Water Resistant | Y |
| Material | |
| 900D heathered polyester | Challenge Sailcloth Ecopak® EPLX600 |
Attitude Supply ATD2 Backpack
| Capacity | 18 L |
| Weight | 1.3 kg |
| Dimensions | 45×25×19 cm |
| Airline fit | 96% |
| Price | $475 |
Key differences between the Tortuga Setout Divide and Attitude Supply ATD2 Backpack
- Compression straps: Yes on the Tortuga Setout Divide; 4 on the Attitude Supply ATD2 Backpack.
- Opening: Other on the Tortuga Setout Divide; Clamshell on the Attitude Supply ATD2 Backpack.
- Backpack straps: Hideable on the Tortuga Setout Divide; Removable on the Attitude Supply ATD2 Backpack.
- Main compartments: 4 on the Tortuga Setout Divide; 2 on the Attitude Supply ATD2 Backpack.
- Water bottle pockets: No on the Tortuga Setout Divide; 2, side on the Attitude Supply ATD2 Backpack.
Both have: passport pocket, luggage passthrough, hip belt, sternum strap, 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 12 accept only the Attitude Supply ATD2 Backpack.
Only the Attitude Supply ATD2 Backpack fits
Air Niugini, Air Tahiti, American Eagle, Belavia, easyJet, Etihad Airways, Great Lakes Airlines, Gulf Air, Qatar Airways, Ravn Alaska, Regional Express, Virgin Australia.
Tortuga Setout Divide vs. Attitude Supply ATD2 Backpack: which should you pack?
The Tortuga Setout Divide carries 8L more than the Attitude Supply ATD2 Backpack (26L vs. 18L), while the Attitude Supply ATD2 Backpack is the lighter pack at 1.3kg (vs. 1.7kg). For carry-on flexibility, the Attitude Supply ATD2 Backpack fits 96% 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 Attitude Supply ATD2 Backpack is the better call.