Bellroy Classic Backpack Plus vs. STM Grace

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

Bellroy Classic Backpack Plus

Front facing view of the Bellroy Classic Backpack Plus
Capacity22 L
Weight1 kg
Dimensions52×30×21 cm
Airline fit71%
Price$179

Feature by feature

Bellroy Classic Backpack PlusFeatureSTM Grace
Storage
N Compression N
None Expanded Capacity None
4 Opening 4
Y Passport N
N Passthrough N
Carry
Y Backpack Y
N Hip Belt N
N Sternum Strap N
Inside
15in Laptop 15in
1 Main Compartments 1
N Organizer Y
Outside
× Hard Shell ×
N Rain-fly N
N Water Bottle Holder N
Y Water Resistant Y
Material
Venture-weave polyester and leather100% polyester

STM Grace

by Stm
Front facing view of the STM Grace
Capacity20 L
Weight0.6 kg
Dimensions42×29×11 cm
Airline fit95%
Price$100

Key differences between the Bellroy Classic Backpack Plus and STM Grace

Both have: backpack straps, laptop sleeve, water resistant.

Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 134 accept both. 0 accept only the Bellroy Classic Backpack Plus, and 46 accept only the STM Grace.

Only the STM Grace fits

Air Baltic, Air China, Air Malta, Air Niugini, Air Serbia, Air Seychelles, Air Tahiti, American Eagle, Asiana Airlines, ATA Airlines, Belavia, Blue Air, Bulgaria Air, China Eastern, easyJet, Emirates Airlines, Enter Air, Etihad Airways, flybe, Gulf Air, Icelandair, InselAir, Juneyao Airlines, Luxair, Meridiana Fly, Nordwind Airlines, Oman Air, Qatar Airways, Ravn Alaska, Regional Express, Royal Brunei Airlines, Royal Jordanian, 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.

Bellroy Classic Backpack Plus vs. STM Grace: which should you pack?

The Bellroy Classic Backpack Plus carries 2L more than the STM Grace (22L vs. 20L), while the STM Grace is the lighter pack at 0.6kg (vs. 1kg). For carry-on flexibility, the STM Grace fits 95% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Bellroy Classic Backpack Plus; if you want to travel lighter, the STM Grace is the better call.