REI Co-op Ruckpack 28 vs. Kifaru Antero

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

REI Co-op Ruckpack 28

Front facing view of the REI Co-op Ruckpack 28
Capacity28 L
Weight0.8 kg
Dimensions50×28×23 cm
Airline fit72%
Price$130

Feature by feature

REI Co-op Ruckpack 28FeatureKifaru Antero
Storage
2 Compression 2
None Expanded Capacity None
1 Opening 1
top Passport top
N Passthrough N
Carry
Y Backpack Y
removable Hip Belt removable
Y Sternum Strap Y
Inside
15in Laptop 15in
3 Main Compartments 3
Y Organizer N
Outside
× Hard Shell ×
Y Rain-fly N
2, side Water Bottle Holder 2, side
Y Water Resistant Y
Material
Recycled nylon shell frame: Rigid foam500 Denier Cordura Lined with 400 D packcloth

Kifaru Antero

Front facing view of the Kifaru Antero
Capacity25 L
Weight1.4 kg
Dimensions48×25×15 cm
Airline fit93%
Price$415

Key differences between the REI Co-op Ruckpack 28 and Kifaru Antero

Both have: compression straps, passport pocket, backpack straps, hip belt, sternum strap, laptop sleeve, water bottle pockets, water resistant.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 137 accept both. 0 accept only the REI Co-op Ruckpack 28, and 39 accept only the Kifaru Antero.

Only the Kifaru Antero fits

Air Baltic, Air China, Air Malta, Air Niugini, Air Serbia, Air Seychelles, Asiana Airlines, ATA Airlines, Belavia, Blue Air, Bulgaria Air, China Eastern, Emirates Airlines, Enter Air, flybe, Icelandair, InselAir, Juneyao Airlines, Liat Airlines, Luxair, Meridiana Fly, Nordwind Airlines, Pakistan International, Regional Express, Royal Brunei Airlines, Ryanair, S7, Shandong Airlines, Shenzhen Airlines, Sun Express, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), TUI, Ukraine International, VIM Airlines (Closed), Virgin Australia, Volotea, Xiamen.

REI Co-op Ruckpack 28 vs. Kifaru Antero: which should you pack?

The REI Co-op Ruckpack 28 carries 3L more than the Kifaru Antero (28L vs. 25L), while the REI Co-op Ruckpack 28 is the lighter pack at 0.8kg (vs. 1.4kg). For carry-on flexibility, the Kifaru Antero fits 93% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the REI Co-op Ruckpack 28; if you want to travel lighter, the REI Co-op Ruckpack 28 is the better call.