Patagonia Terravia 28L vs. Osprey Sirrus 24
Two carry-on travel backpacks, compared spec for spec.
Patagonia Terravia 28L
| Capacity | 28 L |
| Weight | 0.7 kg |
| Dimensions | 58×28×20 cm |
| Airline fit | 17% |
| Price | $170 |
Feature by feature
| Patagonia Terravia 28L | Feature | Osprey Sirrus 24 |
|---|---|---|
| Storage | ||
| 3 | Compression | 4 |
| None | Expanded Capacity | None |
| 0 | Opening | 0 |
| top | Passport | top |
| N | Passthrough | N |
| Carry | ||
| Y | Backpack | Y |
| Y | Hip Belt | Y |
| removable | Sternum Strap | Y |
| Inside | ||
| N | Laptop | N |
| 2 | 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 | |
| 2.4-oz 70-denier 100% recycled nylon ripstop with a PU coating | bluesign® APPROVED 210D recycled honey comb nylon, PFC/PFAS-free DWR |
Key differences between the Patagonia Terravia 28L and Osprey Sirrus 24
- Compression straps: 3 on the Patagonia Terravia 28L; 4 on the Osprey Sirrus 24.
- Sternum strap: Removable on the Patagonia Terravia 28L; Yes on the Osprey Sirrus 24.
- Main compartments: 2 on the Patagonia Terravia 28L; 3 on the Osprey Sirrus 24.
- Water resistant: Yes on the Patagonia Terravia 28L; No on the Osprey Sirrus 24.
Both have: passport pocket, backpack straps, hip belt, 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. 30 accept both. 2 accept only the Patagonia Terravia 28L, and 43 accept only the Osprey Sirrus 24.
Only the Patagonia Terravia 28L fits
Cayman Airways, Croatia Air.
Only the Osprey Sirrus 24 fits
Aegean Airlines, Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Astana, Air Caraibes, Air France, Air India, Air Mauritius, Air Nostrum, All Nipon Airways, ANA, Atlas Global, Boliviana de Aviacion, British Airways, Copa Airlines, Czech Airlines, EL AL, Finnair, Gol Linhas Aereas, Iberia, Indigo, Interjet, Iran Air, Iran Aseman Air, Japan Airlines, Jet Airways, Jet2, Kenya Airways, KLM, Kuwait Air, LATAM , Middle East Airlines, Monarch Airlines, Onur Air, Peach, Sky Airlines, Spirit Airlines, Thai Airways, Travel Service Airlines, Uzbekistan Air, WOW Airlines.
Patagonia Terravia 28L vs. Osprey Sirrus 24: which should you pack?
The Patagonia Terravia 28L carries 4L more than the Osprey Sirrus 24 (28L vs. 24L), while the Patagonia Terravia 28L is the lighter pack at 0.7kg (vs. 1.2kg). For carry-on flexibility, the Osprey Sirrus 24 fits 39% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Patagonia Terravia 28L; if you want to travel lighter, the Patagonia Terravia 28L is the better call.