REI Co-op Ruckpack 18 vs. Cotopaxi Nazca 24L
Two carry-on travel backpacks, compared spec for spec.
REI Co-op Ruckpack 18
| Capacity | 18 L |
| Weight | 0.7 kg |
| Dimensions | 44×26×18 cm |
| Airline fit | 96% |
| Price | $65 |
Feature by feature
| REI Co-op Ruckpack 18 | Feature | Cotopaxi Nazca 24L |
|---|---|---|
| Storage | ||
| Compression | ||
| None | Expanded Capacity | None |
| 0 | Opening | 0 |
| side | Passport | top |
| N | Passthrough | N |
| Carry | ||
| Backpack | ||
| removable | Hip Belt | |
| removable | Sternum Strap | |
| Inside | ||
| 15in | Laptop | 15in |
| 2 | Main Compartments | 3 |
| Y | Organizer | N |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| Water Bottle Holder | ||
| Y | Water Resistant | Y |
| Material | |
| 210-denier nylon ripstop | cotton/polyester canvas shell |
Cotopaxi Nazca 24L
| Capacity | 24 L |
| Weight | 1.1 kg |
| Dimensions | 51×27×14 cm |
| Airline fit | 90% |
| Price | $140 |
Key differences between the REI Co-op Ruckpack 18 and Cotopaxi Nazca 24L
- Passport pocket: Side on the REI Co-op Ruckpack 18; Top on the Cotopaxi Nazca 24L.
- Main compartments: 2 on the REI Co-op Ruckpack 18; 3 on the Cotopaxi Nazca 24L.
- Built-in organizer: Yes on the REI Co-op Ruckpack 18; No on the Cotopaxi Nazca 24L.
Both have: 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. 170 accept both. 11 accept only the REI Co-op Ruckpack 18, and 0 accept only the Cotopaxi Nazca 24L.
Only the REI Co-op Ruckpack 18 fits
Air Niugini, Air Tahiti, American Eagle, Belavia, easyJet, Etihad Airways, Gulf Air, Qatar Airways, Ravn Alaska, Regional Express, Virgin Australia.
REI Co-op Ruckpack 18 vs. Cotopaxi Nazca 24L: which should you pack?
The Cotopaxi Nazca 24L carries 6L more than the REI Co-op Ruckpack 18 (18L vs. 24L), while the REI Co-op Ruckpack 18 is the lighter pack at 0.7kg (vs. 1.1kg). For carry-on flexibility, the REI Co-op Ruckpack 18 fits 96% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Cotopaxi Nazca 24L; if you want to travel lighter, the REI Co-op Ruckpack 18 is the better call.