REI Co-op Flash Pack 22 vs. Bellroy Shift Backpack

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

REI Co-op Flash Pack 22

Front facing view of the REI Co-op Flash Pack 22
Capacity22 L
Weight0.4 kg
Dimensions48×28×20 cm
Airline fit93%
Price$60

Feature by feature

REI Co-op Flash Pack 22FeatureBellroy Shift Backpack
Storage
N Compression N
None Expanded Capacity None
3 Opening 3
top Passport N
N Passthrough N
Carry
Y Backpack Y
Y Hip Belt N
removable Sternum Strap removable
Inside
15in Laptop 15in
3 Main Compartments 1
N Organizer N
Outside
× Hard Shell ×
N Rain-fly N
2, side Water Bottle Holder 1
N Water Resistant Y
Material
Recycled nylon (bluesign®;-approved)Venture-weave polyester

Bellroy Shift Backpack

Front facing view of the Bellroy Shift Backpack
Capacity22 L
Weight1.25 kg
Dimensions55×30×20 cm
Airline fit86%
Price$169

Key differences between the REI Co-op Flash Pack 22 and Bellroy Shift Backpack

Both have: backpack straps, sternum strap, laptop sleeve.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 163 accept both. 13 accept only the REI Co-op Flash Pack 22, and 0 accept only the Bellroy Shift Backpack.

Only the REI Co-op Flash Pack 22 fits

Air Niugini, Belavia, Etihad Airways, Great Lakes Airlines, Liat Airlines, Oman Air, Qatar Airways, Regional Express, Royal Jordanian, Scoot, Tiger Airways, Virgin Australia, WestJet.

REI Co-op Flash Pack 22 vs. Bellroy Shift Backpack: which should you pack?

The REI Co-op Flash Pack 22 carries the same capacity as the Bellroy Shift Backpack (22L vs. 22L), while the REI Co-op Flash Pack 22 is the lighter pack at 0.4kg (vs. 1.25kg). For carry-on flexibility, the REI Co-op Flash Pack 22 fits 93% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the REI Co-op Flash Pack 22; if you want to travel lighter, the REI Co-op Flash Pack 22 is the better call.