Osprey Transporter® Zip Top Pack vs. Osprey Transporter® Flap Pack

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

Osprey Transporter® Zip Top Pack

Front facing view of the Osprey Transporter® Zip Top Pack
Capacity30 L
Weight1 kg
Dimensions52×36×29 cm
Airline fit2%
Price$130

Feature by feature

Osprey Transporter® Zip Top PackFeatureOsprey Transporter® Flap Pack
Storage
N Compression N
None Expanded Capacity None
4 Opening 3
N Passport N
N Passthrough N
Carry
Y Backpack Y
removable Hip Belt removable
Y Sternum Strap Y
Inside
15in Laptop 15in
1 Main Compartments 1
Y Organizer
Outside
× Hard Shell ×
N Rain-fly N
2 Water Bottle Holder 1
Y Water Resistant Y
Material
400D Nylon TPU Double Coated400D Nylon TPU Double Coated

Osprey Transporter® Flap Pack

Front facing view of the Osprey Transporter® Flap Pack
Capacity20 L
Weight0.9 kg
Dimensions46×33×31 cm
Airline fit13%
Price$120

Key differences between the Osprey Transporter® Zip Top Pack and Osprey Transporter® Flap Pack

Both have: backpack straps, hip belt, sternum strap, laptop sleeve, water resistant.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 4 accept both. 0 accept only the Osprey Transporter® Zip Top Pack, and 21 accept only the Osprey Transporter® Flap Pack.

Only the Osprey Transporter® Flap Pack fits

Air Europa, Air Koryo, Air Tahiti Nui, Azul Linhas, Caribbean Airlines, China Southern, Croatia Air, Cubana de Aviacion, Hainan Airlines, Korean Air, Philippine Airlines, Royal Air Morocco, Saudi Arabian Airlines, Sichuan Airlines, SilkAir, Silver Airways, Singapore Airlines, SpiceJet, TAAG Angola, TAM Airlines, Ural Airlines.

Osprey Transporter® Zip Top Pack vs. Osprey Transporter® Flap Pack: which should you pack?

The Osprey Transporter® Zip Top Pack carries 10L more than the Osprey Transporter® Flap Pack (30L vs. 20L), while the Osprey Transporter® Flap Pack is the lighter pack at 0.9kg (vs. 1kg). For carry-on flexibility, the Osprey Transporter® Flap Pack fits 13% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Osprey Transporter® Zip Top Pack; if you want to travel lighter, the Osprey Transporter® Flap Pack is the better call.