Exped Skyline 15 vs. Osprey Sirrus 24
Two carry-on travel backpacks, compared spec for spec.
Feature by feature
| Exped Skyline 15 | Feature | Osprey Sirrus 24 |
|---|---|---|
| Storage | ||
| 4 | Compression | 4 |
| 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 |
| 4 | Main Compartments | 3 |
| N | Organizer | N |
| Outside | ||
| × | Hard Shell | × |
| Y | Rain-fly | Y |
| 2, side | Water Bottle Holder | 2, side |
| Y | Water Resistant | N |
| Material | |
| 210D Robic HD Ripstop Nylon, PU Coated 1500mm | bluesign® APPROVED 210D recycled honey comb nylon, PFC/PFAS-free DWR |
Key differences between the Exped Skyline 15 and Osprey Sirrus 24
- Opening: Clamshell on the Exped Skyline 15; Other on the Osprey Sirrus 24.
- Passport pocket: Front on the Exped Skyline 15; Top on the Osprey Sirrus 24.
- Main compartments: 4 on the Exped Skyline 15; 3 on the Osprey Sirrus 24.
- Water resistant: Yes on the Exped Skyline 15; No on the Osprey Sirrus 24.
Both have: compression straps, backpack straps, hip belt, sternum strap, rain cover, 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. 73 accept both. 95 accept only the Exped Skyline 15, and 0 accept only the Osprey Sirrus 24.
Only the Exped Skyline 15 fits
Air Asia, Air Baltic, Air Canada, Air China, Air Macau, Air Malta, Air Serbia, Air Seychelles, Air Wisconsin, AirAsiaX, Alaska Airlines, Allegiant Air, American Airlines, Asiana Airlines, ATA Airlines, Austrian, Avianca , Azerbaijan Airlines, Bahamasair, Bangkok Airways, Biman Bangladesh, Blue Air, Brussels Airlines, Bulgaria Air, Cambodia Angkor Air, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, China Eastern, CommutAir, Croatia Air, Delta Airlines, Dragonair, Emirates Airlines, Enter Air, Ethiopian Airlines, Eurowings, EVA Air, Fiji Airways, Flair Air, flybe, Garuda Indonesia, Great Lakes Airlines, 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, 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.
Exped Skyline 15 vs. Osprey Sirrus 24: which should you pack?
The Osprey Sirrus 24 carries 9L more than the Exped Skyline 15 (15L vs. 24L), while the Exped Skyline 15 is the lighter pack at 1.1kg (vs. 1.2kg). For carry-on flexibility, the Exped Skyline 15 fits 89% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Osprey Sirrus 24; if you want to travel lighter, the Exped Skyline 15 is the better call.