Topo Designs Mountain Pack vs. REI Co-op Ruckpack 30

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

Topo Designs Mountain Pack

Front facing view of the Topo Designs Mountain Pack
Capacity30 L
Weight1 kg
Dimensions48×29×18 cm
Airline fit93%
Price$180

Feature by feature

Topo Designs Mountain PackFeatureREI Co-op Ruckpack 30
Storage
>5 Compression N
None Expanded Capacity None
2 Opening 0
top Passport top, side
N Passthrough N
Carry
Y Backpack hideable
removable Hip Belt removable
Y Sternum Strap Y
Inside
15in Laptop 15in
3 Main Compartments 5
N Organizer N
Outside
× Hard Shell ×
N Rain-fly Y
2, side Water Bottle Holder 2, side
Y Water Resistant Y
Material
1000D exterior, 210D coated pack cloth linerrecycled nylon shell

REI Co-op Ruckpack 30

Capacity30 L
Weight0.8 kg
Dimensions50×27×22 cm
Airline fit73%
Price$109

Key differences between the Topo Designs Mountain Pack and REI Co-op Ruckpack 30

Both have: 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. 38 accept only the Topo Designs Mountain Pack, and 1 accept only the REI Co-op Ruckpack 30.

Only the Topo Designs Mountain Pack 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, 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.

Only the REI Co-op Ruckpack 30 fits

Great Lakes Airlines.

Topo Designs Mountain Pack vs. REI Co-op Ruckpack 30: which should you pack?

The Topo Designs Mountain Pack carries the same capacity as the REI Co-op Ruckpack 30 (30L vs. 30L), while the REI Co-op Ruckpack 30 is the lighter pack at 0.8kg (vs. 1kg). For carry-on flexibility, the Topo Designs Mountain Pack fits 93% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Topo Designs Mountain Pack; if you want to travel lighter, the REI Co-op Ruckpack 30 is the better call.