Peak Design Everyday Backpack Zip vs. Ryu Flex Pack 20L

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

Peak Design Everyday Backpack Zip

Front facing view of the Peak Design Everyday Backpack Zip
Capacity20 L
Weight1.55 kg
Dimensions47×29×16 cm
Airline fit93%
Price$220

Feature by feature

Peak Design Everyday Backpack ZipFeatureRyu Flex Pack 20L
Storage
N Compression N
20L Expanded Capacity None
1 Opening 4
N Passport N
N Passthrough N
Carry
Y Backpack Y
N Hip Belt N
removable Sternum Strap removable
Inside
15in Laptop 15in
1 Main Compartments 1
Y Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
2 Water Bottle Holder 1
Y Water Resistant Y
Material
400D double poly-coated DWR-impregnated nylon canvas shell100% 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 Peak Design Everyday Backpack Zip and Ryu Flex Pack 20L

Both have: backpack straps, sternum strap, laptop sleeve, built-in organizer, water resistant.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 174 accept both. 1 accept only the Peak Design Everyday Backpack Zip, and 3 accept only the Ryu Flex Pack 20L.

Only the Peak Design Everyday Backpack Zip fits

Air Niugini.

Only the Ryu Flex Pack 20L fits

American Eagle, easyJet, Ravn Alaska.

Peak Design Everyday Backpack Zip vs. Ryu Flex Pack 20L: which should you pack?

The Peak Design Everyday Backpack Zip carries the same capacity as the Ryu Flex Pack 20L (20L 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 Peak Design Everyday Backpack Zip; if you want to travel lighter, the Peak Design Everyday Backpack Zip is the better call.