Mammut Nirvana 28 vs. Osprey Sportlite 25
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 | Osprey Sportlite 25 |
|---|---|---|
| Storage | ||
| 6 | Compression | 3 |
| 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 | bluesign®100D recycled high tenacity bird eye nylon, PFC/PFAS-free DWR |
Osprey Sportlite 25
| Capacity | 25 L |
| Weight | 0.8 kg |
| Dimensions | 49×30×24 cm |
| Airline fit | 41% |
| Price | $125 |
Key differences between the Mammut Nirvana 28 and Osprey Sportlite 25
- Compression straps: 6 on the Mammut Nirvana 28; 3 on the Osprey Sportlite 25.
- Opening: Clamshell on the Mammut Nirvana 28; Other on the Osprey Sportlite 25.
- Passport pocket: Front on the Mammut Nirvana 28; Top on the Osprey Sportlite 25.
- Water resistant: No on the Mammut Nirvana 28; Yes on the Osprey Sportlite 25.
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. 77 accept both. 96 accept only the Mammut Nirvana 28, and 0 accept only the Osprey Sportlite 25.
Only the Mammut Nirvana 28 fits
Air Asia, Air Baltic, Air Canada, Air China, Air Macau, Air Malta, Air Niugini, Air Serbia, Air Seychelles, Air Wisconsin, AirAsiaX, Alaska Airlines, Allegiant Air, American Airlines, Asiana Airlines, ATA Airlines, Austrian, Avianca , Azerbaijan Airlines, Bahamasair, Bangkok Airways, Belavia, Biman Bangladesh, Blue Air, Brussels Airlines, Bulgaria Air, Cambodia Angkor Air, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, China Eastern, CommutAir, Delta Airlines, Dragonair, Emirates Airlines, Enter Air, Ethiopian Airlines, Eurowings, EVA Air, Fiji Airways, Flair Air, flybe, Garuda Indonesia, Hawaiian Airlines, Hong Kong Airlines, Icelandair, InselAir, jetBlue Airways, Jetstar Airways, Jetstar Asia, Juneyao Airlines, Kulula, Liat Airlines, LOT Polish, Lufthansa, Luxair, Mahan Air, Malaysia Airlines, Mango, Meridiana Fly, Mesa Airlines, Nordwind Airlines, Norwegian, Pakistan International, Porter Airlines, Qantas Airways, Republic Airways, Royal Brunei Airlines, Royal Jordanian, Ryanair, S7, SAS Scandinavian, Scoot, Shandong Airlines, Shenzhen Airlines, Skywest, Inc., South African Airways, SriLankan Airlines, Sun Express, Swiss Int'l Air Lines, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), Tiger Airways, Trans States, TUI, Turkish Airlines, Ukraine International, United Airlines, Vietnam Airlines, VIM Airlines (Closed), Virgin Atlantic, Volotea, WestJet, Xiamen.
Mammut Nirvana 28 vs. Osprey Sportlite 25: which should you pack?
The Mammut Nirvana 28 carries 3L more than the Osprey Sportlite 25 (28L vs. 25L), while the Osprey Sportlite 25 is the lighter pack at 0.8kg (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 Osprey Sportlite 25 is the better call.