Osprey Stratos 50 vs. Asenlin 40L Travel Backpack

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

Osprey Stratos 50

Front facing view of the Osprey Stratos 50
Capacity47 L
Weight1.613 kg
Dimensions65×38×36 cm
Airline fit1%
Price$190

Feature by feature

Osprey Stratos 50FeatureAsenlin 40L Travel Backpack
Storage
Y Compression Y
None Expanded Capacity None
0 Opening 1
N Passport N
N Passthrough N
Carry
Y Backpack Y
Y Hip Belt Y
Y Sternum Strap Y
Inside
Laptop 17in
1 Main Compartments 1
N Organizer N
Outside
× Hard Shell ×
N Rain-fly N
N Water Bottle Holder 1
Y Water Resistant
Material
210D Nylon CrosshatchPolyester Oxford Cloth

Asenlin 40L Travel Backpack

Front facing view of the Asenlin 40L Travel Backpack
Capacity40 L
Weight1.2 kg
Dimensions47×32×25 cm
Airline fit40%

Key differences between the Osprey Stratos 50 and Asenlin 40L Travel Backpack

Both have: compression straps, backpack straps, hip belt, sternum strap.

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 Stratos 50, and 74 accept only the Asenlin 40L Travel Backpack.

Only the Asenlin 40L Travel Backpack fits

Adria Airways, Aegean Airlines, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Astana, Air Caraibes, Air Europa, Air France, Air India, Air Koryo, Air Mauritius, Air New Zealand, Air Nostrum, Air Tahiti Nui, All Nipon Airways, ANA, Atlas Global, Azul Linhas, Boliviana de Aviacion, British Airways, Caribbean Airlines, China Southern, Conviasa, Copa Airlines, Croatia Air, Cubana de Aviacion, Czech Airlines, EL AL, Etihad Airways, Finnair, Frontier Airlines, Gol Linhas Aereas, Hainan Airlines, Iberia, Indigo, Interjet, Iran Air, Iran Aseman Air, Island Air, Japan Airlines, Jet Airways, Jet2, Kenya Airways, KLM, Korean Air, Kuwait Air, LATAM , Middle East Airlines, Monarch Airlines, Onur Air, Peach, PenAir, Philippine Airlines, Qatar Airways, Royal Air Morocco, Saudi Arabian Airlines, Sichuan Airlines, SilkAir, Silver Airways, Singapore Airlines, Sky 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 Stratos 50 vs. Asenlin 40L Travel Backpack: which should you pack?

The Osprey Stratos 50 carries 7L more than the Asenlin 40L Travel Backpack (47L vs. 40L), while the Asenlin 40L Travel Backpack is the lighter pack at 1.2kg (vs. 1.613kg). For carry-on flexibility, the Asenlin 40L Travel Backpack fits 40% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Osprey Stratos 50; if you want to travel lighter, the Asenlin 40L Travel Backpack is the better call.