Osprey Farpoint® Trek Pack 55 vs. Ortlieb Atrack ST

Two carry-on travel backpacks, compared spec for spec.

Osprey Farpoint® Trek Pack 55

Front facing view of the Osprey Farpoint® Trek Pack 55
Capacity55 L
Weight1.9 kg
Dimensions73×36×23 cm
Airline fit1%
Price$220

Feature by feature

Osprey Farpoint® Trek Pack 55FeatureOrtlieb Atrack ST
Storage
Y Compression Y
None Expanded Capacity None
1 Opening 4
N Passport N
N Passthrough N
Carry
Y Backpack Y
Y Hip Belt Y
Y Sternum Strap Y
Inside
15in Laptop N
1 Main Compartments 1
Organizer
Outside
× Hard Shell ×
removable Rain-fly N
2 Water Bottle Holder 2
Y Water Resistant Y
Material
420HD Nylon PackclothPS33

Ortlieb Atrack ST

Front facing view of the Ortlieb Atrack ST
Capacity25 L
Weight1.41 kg
Dimensions56×26×25 cm
Airline fit27%
Price$250

Key differences between the Osprey Farpoint® Trek Pack 55 and 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. 1 accept both. 0 accept only the Osprey Farpoint® Trek Pack 55, and 50 accept only the Ortlieb Atrack ST.

Only the Ortlieb Atrack ST fits

Adria Airways, Aegean Airlines, Air Astana, Air Europa, Air Koryo, Air New Zealand, 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, Island 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, Sun Country, TAAG Angola, TAM Airlines, Thai Airways, Travel Service Airlines, Ural Airlines, Uzbekistan Air, Virgin America, WOW Airlines.

Osprey Farpoint® Trek Pack 55 vs. Ortlieb Atrack ST: which should you pack?

The Osprey Farpoint® Trek Pack 55 carries 30L more than the Ortlieb Atrack ST (55L vs. 25L), while the Ortlieb Atrack ST is the lighter pack at 1.41kg (vs. 1.9kg). 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 Osprey Farpoint® Trek Pack 55; if you want to travel lighter, the Ortlieb Atrack ST is the better call.