Gregory Nano 28 vs Montane Transition Pack 28L
The Gregory Nano 28 is 28L and 0.63kg1.4lb; the Montane Transition Pack 28L is 28L and 0.64kg1.4lb. The Gregory Nano 28 is 0.01kg0lb lighter. The Gregory Nano 28 fits the carry-on limit of 30 of 36 major airlines and the Montane Transition Pack 28L fits 31; under the seat, 0 and 0 of 26.
| Spec | Gregory Nano 28 | Montane Transition Pack 28L |
|---|---|---|
| Price | n/a | $145 |
| Volume | 28L | 28L |
| Weight | 0.63kg1.4lbBest | 0.64kg1.4lb |
| Carry-on compliance | 83% | 86%Best |
| Personal-item compliance | 0% | 0% |
| Dimensions | 54×31×23cm21.5×12×9in | 51×28×21.5cm20×11×8.5in |
| Laptop | no laptop sleeve | n/a |
| Bottle pockets | 2 | 2 |
| Compression straps | 2 | n/a |
| Opening | zippered main compartment plus drawstring top access under a zippered lid pocket | Clamshell, Clamshell zipped opening with bonded YKK AquaGuard zip |
| Warranty | 50 years | Lifetime |
| Organizer | Yes | Yes |
| Shoe compartment | No | No |
| Hydration sleeve | Yes | No |
| Frame sheet | No | No |
| Water-resistant | No | Yes |
| Rain cover | No | No |
| MOLLE | No | No |
| Hip belt | Removable | No |
| 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 high density recycled nylon and 450D recycled polyester with PFAS-free C0 DWR, 135D recycled polyester lining | RAPTOR Pro Lite nylon ripstop with PU face coating, HALO recycled polyester lining |
| Last checked | 2026-09 | 2026-10 |
Where their airline fit differs
| Airline | Limit | Gregory Nano 28 | Montane Transition Pack 28L |
|---|---|---|---|
| Emirates | Carry-on | Too big | Fits |
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.