Tortuga Packable Backpack vs. Waymark Dark Sky
Two carry-on travel backpacks, compared spec for spec.
Tortuga Packable Backpack
| Capacity | 19 L |
| Weight | 0.3 kg |
| Dimensions | 46×26×16 cm |
| Airline fit | 95% |
| Price | $80 |
Feature by feature
| Tortuga Packable Backpack | Feature | Waymark Dark Sky |
|---|---|---|
| Storage | ||
| N | Compression | N |
| None | Expanded Capacity | None |
| 0 | Opening | 0 |
| top | Passport | N |
| N | Passthrough | N |
| Carry | ||
| Y | Backpack | Y |
| N | Hip Belt | N |
| removable | Sternum Strap | Y |
| Inside | ||
| N | Laptop | N |
| 2 | Main Compartments | 2 |
| N | Organizer | N |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| 2, side | Water Bottle Holder | 2, side |
| N | Water Resistant | Y |
| Material | |
| 70D ripstop nylon | Recycled RBC350 Ripstop Polyester, RBC600, RBC200 fabrics |
Waymark Dark Sky
| Capacity | 16 L |
| Weight | 0.4 kg |
| Dimensions | 41×27×14 cm |
| Airline fit | 96% |
| Price | $115 |
Key differences between the Tortuga Packable Backpack and Waymark Dark Sky
- Passport pocket: Top on the Tortuga Packable Backpack; No on the Waymark Dark Sky.
- Sternum strap: Removable on the Tortuga Packable Backpack; Yes on the Waymark Dark Sky.
- Water resistant: No on the Tortuga Packable Backpack; Yes on the Waymark Dark Sky.
Both have: backpack straps, water bottle pockets.
Which airlines take each bag as a carry-on
We checked both bags against the carry-on size limits of 189 airlines. 179 accept both. 0 accept only the Tortuga Packable Backpack, and 2 accept only the Waymark Dark Sky.
Only the Waymark Dark Sky fits
Air Tahiti, Gulf Air.
Tortuga Packable Backpack vs. Waymark Dark Sky: which should you pack?
The Tortuga Packable Backpack carries 3L more than the Waymark Dark Sky (19L vs. 16L), while the Tortuga Packable Backpack is the lighter pack at 0.3kg (vs. 0.4kg). For carry-on flexibility, the Waymark Dark Sky fits 96% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Tortuga Packable Backpack; if you want to travel lighter, the Tortuga Packable Backpack is the better call.