Mammut Nirvana 28 vs. Gregory Juno 24L
Two carry-on travel backpacks, compared spec for spec.
Mammut Nirvana 28
| Capacity | 28 L |
| Weight | 1.1 kg |
| Dimensions | 50×30×19 cm |
| Airline fit | 92% |
| Price | $220 |
Feature by feature
| Mammut Nirvana 28 | Feature | Gregory Juno 24L |
|---|---|---|
| Storage | ||
| 6 | Compression | 2 |
| None | Expanded Capacity | None |
| 1 | Opening | 0 |
| front | Passport | top |
| N | Passthrough | N |
| Carry | ||
| Y | Backpack | Y |
| Y | Hip Belt | Y |
| Y | Sternum Strap | Y |
| Inside | ||
| N | Laptop | N |
| 3 | Main Compartments | 3 |
| N | Organizer | N |
| Outside | ||
| × | Hard Shell | × |
| N | Rain-fly | N |
| 2, side | Water Bottle Holder | 2, side |
| N | Water Resistant | Y |
| Material | |
| 90% Polyamide, 10% Polyester | 210D Honeycomb CryptoRip Nylon / 420D High Density Nylon |
Gregory Juno 24L
| Capacity | 24 L |
| Weight | 0.9 kg |
| Dimensions | 52×28×20 cm |
| Airline fit | 89% |
| Price | $150 |
Key differences between the Mammut Nirvana 28 and Gregory Juno 24L
- Compression straps: 6 on the Mammut Nirvana 28; 2 on the Gregory Juno 24L.
- Opening: Clamshell on the Mammut Nirvana 28; Other on the Gregory Juno 24L.
- Passport pocket: Front on the Mammut Nirvana 28; Top on the Gregory Juno 24L.
- Water resistant: No on the Mammut Nirvana 28; Yes on the Gregory Juno 24L.
Both have: backpack straps, hip belt, sternum strap, 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. 167 accept both. 6 accept only the Mammut Nirvana 28, and 1 accept only the Gregory Juno 24L.
Only the Mammut Nirvana 28 fits
Air Niugini, Belavia, Etihad Airways, Oman Air, Qatar Airways, Royal Jordanian.
Only the Gregory Juno 24L fits
Great Lakes Airlines.
Mammut Nirvana 28 vs. Gregory Juno 24L: which should you pack?
The Mammut Nirvana 28 carries 4L more than the Gregory Juno 24L (28L vs. 24L), while the Gregory Juno 24L is the lighter pack at 0.9kg (vs. 1.1kg). For carry-on flexibility, the Mammut Nirvana 28 fits 92% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Mammut Nirvana 28; if you want to travel lighter, the Gregory Juno 24L is the better call.