Kathmandu Cotingo Pack 25L vs. Ryu Flex Pack 20L

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

Kathmandu Cotingo Pack 25L

Front facing view of the Kathmandu Cotingo Pack 25L
Capacity25 L
Weight0.6 kg
Dimensions50×31×20 cm
Airline fit91%
Price$80

Feature by feature

Kathmandu Cotingo Pack 25LFeatureRyu Flex Pack 20L
Storage
N Compression N
None Expanded Capacity None
4 Opening 4
N Passport N
N Passthrough N
Carry
Y Backpack Y
N Hip Belt N
Y Sternum Strap removable
Inside
15in Laptop 15in
1 Main Compartments 1
Y Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
1 Water Bottle Holder 1
N Water Resistant Y
Material
600D Polyester100% nylon with silicone coating and Polygiene® finish

Ryu Flex Pack 20L

by RYU
Front facing view of the Ryu Flex Pack 20L
Capacity20 L
Weight0 kg
Dimensions46×31×18 cm
Airline fit94%
Price$98

Key differences between the Kathmandu Cotingo Pack 25L and Ryu Flex Pack 20L

Both have: backpack straps, laptop sleeve, built-in organizer, 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. 172 accept both. 0 accept only the Kathmandu Cotingo Pack 25L, and 5 accept only the Ryu Flex Pack 20L.

Only the Ryu Flex Pack 20L fits

American Eagle, easyJet, Ravn Alaska, Regional Express, Virgin Australia.

Kathmandu Cotingo Pack 25L vs. Ryu Flex Pack 20L: which should you pack?

The Kathmandu Cotingo Pack 25L carries 5L more than the Ryu Flex Pack 20L (25L vs. 20L), and the two are closely matched on weight. For carry-on flexibility, the Ryu Flex Pack 20L fits 94% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Kathmandu Cotingo Pack 25L; if you want to travel lighter, the Kathmandu Cotingo Pack 25L is the better call.