Patagonia Altvia Pack 36L vs. Ortlieb Atrack ST
Two carry-on travel backpacks, compared spec for spec.
Patagonia Altvia Pack 36L
| Capacity | 36 L |
| Weight | 0.992 kg |
| Dimensions | 60×31×27 cm |
| Airline fit | 3% |
| Price | $179 |
Feature by feature
| Patagonia Altvia Pack 36L | Feature | Ortlieb Atrack ST |
|---|---|---|
| Storage | ||
| Y | Compression | Y |
| None | Expanded Capacity | None |
| 0 | Opening | 4 |
| N | Passport | N |
| N | Passthrough | N |
| Carry | ||
| Y | Backpack | Y |
| Y | Hip Belt | Y |
| Y | Sternum Strap | Y |
| Inside | ||
| N | Laptop | N |
| 1 | Main Compartments | 1 |
| Organizer | ||
| Outside | ||
| × | Hard Shell | × |
| Y | Rain-fly | N |
| 2 | Water Bottle Holder | 2 |
| Y | Water Resistant | Y |
| Material | |
| 140-denier 100% recycled nylon ripstop, 210-denier 100% recycled nylon ripstop | PS33 |
Ortlieb Atrack ST
| Capacity | 25 L |
| Weight | 1.41 kg |
| Dimensions | 56×26×25 cm |
| Airline fit | 27% |
| Price | $250 |
Key differences between the Patagonia Altvia Pack 36L and Ortlieb Atrack ST
- Opening: Other on the Patagonia Altvia Pack 36L; Top zip on the Ortlieb Atrack ST.
- Rain cover: Yes on the Patagonia Altvia Pack 36L; No on the Ortlieb Atrack ST.
Both have: compression straps, 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. 6 accept both. 0 accept only the Patagonia Altvia Pack 36L, and 45 accept only the Ortlieb Atrack ST.
Only the Ortlieb Atrack ST fits
Aegean Airlines, Air Astana, Air Europa, Air Koryo, Air Nostrum, Air Tahiti Nui, Atlas Global, Azul Linhas, British Airways, Caribbean Airlines, China Southern, Conviasa, Copa Airlines, Croatia Air, Cubana de Aviacion, EL AL, Finnair, Frontier Airlines, Great Lakes Airlines, Hainan Airlines, Iran Aseman Air, Jet2, Korean Air, Kuwait Air, Middle East Airlines, Monarch Airlines, Onur Air, PenAir, Philippine Airlines, Royal Air Morocco, Saudi Arabian Airlines, Sichuan Airlines, SilkAir, Silver Airways, Singapore Airlines, Southwest Airlines, SpiceJet, Spirit Airlines, TAAG Angola, TAM Airlines, Thai Airways, Travel Service Airlines, Ural Airlines, Uzbekistan Air, WOW Airlines.
Patagonia Altvia Pack 36L vs. Ortlieb Atrack ST: which should you pack?
The Patagonia Altvia Pack 36L carries 11L more than the Ortlieb Atrack ST (36L vs. 25L), while the Patagonia Altvia Pack 36L is the lighter pack at 0.992kg (vs. 1.41kg). For carry-on flexibility, the Ortlieb Atrack ST fits 27% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Patagonia Altvia Pack 36L; if you want to travel lighter, the Patagonia Altvia Pack 36L is the better call.