Mammut Lithium 30 vs. Osprey Transporter Carryon 44
Two carry-on travel backpacks, compared spec for spec.
Mammut Lithium 30
| Capacity | 30 L |
| Weight | 0.9 kg |
| Dimensions | 54×26×24 cm |
| Airline fit | 40% |
| Price | $160 |
Feature by feature
| Mammut Lithium 30 | Feature | Osprey Transporter Carryon 44 |
|---|---|---|
| Storage | ||
| 5 | Compression | 2 |
| None | Expanded Capacity | None |
| 0 | Opening | 0 |
| top | Passport | top |
| N | Passthrough | N |
| Carry | ||
| Y | Backpack | Y |
| Y | Hip Belt | Y |
| removable | Sternum Strap | removable |
| Inside | ||
| N | Laptop | N |
| 2 | Main Compartments | 6 |
| N | Organizer | Y |
| Outside | ||
| × | Hard Shell | × |
| Y | Rain-fly | N |
| 2, side | Water Bottle Holder | 2, side |
| Y | Water Resistant | Y |
| Material | |
| 100% Polyamide, Bluesign, PFC free, recycled | Recycled 100-denier x 210-denier high-tenacity nylon |
Osprey Transporter Carryon 44
| Capacity | 22 L |
| Weight | 0.9 kg |
| Dimensions | 43×25×23 cm |
| Airline fit | 75% |
| Price | $160 |
Key differences between the Mammut Lithium 30 and Osprey Transporter Carryon 44
- Compression straps: 5 on the Mammut Lithium 30; 2 on the Osprey Transporter Carryon 44.
- Main compartments: 2 on the Mammut Lithium 30; 6 on the Osprey Transporter Carryon 44.
- Built-in organizer: No on the Mammut Lithium 30; Yes on the Osprey Transporter Carryon 44.
- Rain cover: Yes on the Mammut Lithium 30; No on the Osprey Transporter Carryon 44.
Both have: passport pocket, backpack straps, hip belt, sternum strap, water bottle pockets, water resistant.
Which airlines take each bag as a carry-on
We checked both bags against the carry-on size limits of 189 airlines. 75 accept both. 0 accept only the Mammut Lithium 30, and 66 accept only the Osprey Transporter Carryon 44.
Only the Osprey Transporter Carryon 44 fits
Air Asia, Air Canada, Air Macau, Air Wisconsin, AirAsiaX, Alaska Airlines, Allegiant Air, American Airlines, Austrian, Avianca , Azerbaijan Airlines, Bahamasair, Bangkok Airways, Biman Bangladesh, Brussels Airlines, Cambodia Angkor Air, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, CommutAir, Delta Airlines, Dragonair, Ethiopian Airlines, Etihad Airways, Eurowings, EVA Air, Fiji Airways, Flair Air, Garuda Indonesia, Gulf Air, Hawaiian Airlines, Hong Kong Airlines, jetBlue Airways, Jetstar Airways, Jetstar Asia, Kulula, LOT Polish, Lufthansa, Mahan Air, Malaysia Airlines, Mango, Mesa Airlines, Norwegian, Oman Air, Porter Airlines, Qantas Airways, Qatar Airways, Ravn Alaska, Regional Express, Republic Airways, Royal Jordanian, SAS Scandinavian, Scoot, Skywest, Inc., South African Airways, SriLankan Airlines, Swiss Int'l Air Lines, Tiger Airways, Trans States, Turkish Airlines, United Airlines, Vietnam Airlines, Virgin Atlantic, Virgin Australia, WestJet.
Mammut Lithium 30 vs. Osprey Transporter Carryon 44: which should you pack?
The Mammut Lithium 30 carries 8L more than the Osprey Transporter Carryon 44 (30L vs. 22L), while the Mammut Lithium 30 is the lighter pack at 0.9kg (vs. 0.9kg). For carry-on flexibility, the Osprey Transporter Carryon 44 fits 75% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Mammut Lithium 30; if you want to travel lighter, the Mammut Lithium 30 is the better call.