Gregory Nano 18 vs Rab Tygen 18L Day Pack
The Gregory Nano 18 is 18L and 0.5kg1.1lb; the Rab Tygen 18L Day Pack is 18L and 0.48kg1.1lb. The Rab Tygen 18L Day Pack is 0.02kg0lb lighter. The Gregory Nano 18 costs $10 less. The Gregory Nano 18 fits the carry-on limit of 35 of 36 major airlines and the Rab Tygen 18L Day Pack fits 32; under the seat, 0 and 0 of 26.
| Spec | Gregory Nano 18 | Rab Tygen 18L Day Pack |
|---|---|---|
| Price | $80Best | $90 |
| Volume | 18L | 18L |
| Weight | 0.5kg1.1lb | 0.48kg1.1lbBest |
| Carry-on compliance | 97%Best | 89% |
| Personal-item compliance | 0% | 0% |
| Dimensions | 51×27×20cm20×10.5×8in | 47×27×22cm18.5×10.5×8.5in |
| Laptop | no laptop sleeve | n/a |
| Bottle pockets | 1 | n/a |
| Compression straps | 2 | n/a |
| Opening | large zippered main compartment | Zipped entry to the main compartment |
| Warranty | 50 years | Lifetime |
| Organizer | Yes | No |
| Shoe compartment | No | No |
| Hydration sleeve | Yes | Yes |
| Frame sheet | No | No |
| Water-resistant | No | No |
| Rain cover | No | No |
| MOLLE | No | No |
| Hip belt | Hideable | Removable |
| Sternum strap | Yes | Yes |
| Load lifters | No | No |
| Shoulder strap | No | No |
| Luggage pass-through | No | No |
| Camera compartment | No | No |
| Bike-ready | No | No |
| Material | 210D recycled nylon / 450D recycled polyester, C0 DWR | 70D X 140D Nylon with TriShield Coating |
| Last checked | 2026-09 | 2026-10 |
Where their airline fit differs
| Airline | Limit | Gregory Nano 18 | Rab Tygen 18L Day Pack |
|---|---|---|---|
| Air Arabia | Carry-on | Fits | Too big |
| Air India | Carry-on | Fits | Too big |
| Qatar Airways | Carry-on | Too big | Fits |
| Ryanair | Carry-on | Fits | Too big |
| Vueling | Carry-on | Fits | Too big |
Add more bags to this comparison
Specs come from each brand's own product page. Fit uses listed dimensions in any orientation. How we score carry-on fit.