haize project Clamshell 25 vs. Bagsmart Blast Travel Backpack 28L

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

haize project Clamshell 25

Front facing view of the haize project Clamshell 25
Capacity25 L
Weight1.4 kg
Dimensions50×29×17 cm
Airline fit92%
Price$333

Feature by feature

haize project Clamshell 25FeatureBagsmart Blast Travel Backpack 28L
Storage
4 Compression 4
None Expanded Capacity 38L
1 Opening 1
top Passport top, back
N Passthrough Y
Carry
Y Backpack Y
N Hip Belt N
removable Sternum Strap Y
Inside
15in Laptop 15in
4 Main Compartments 8
N Organizer N
Outside
× Hard Shell ×
N Rain-fly N
1, side Water Bottle Holder 1, side
Y Water Resistant Y
Material
1680D RPET polyurethaneNylon

Bagsmart Blast Travel Backpack 28L

Front facing view of the Bagsmart Blast Travel Backpack 28L
Capacity28 L
Weight0.9 kg
Dimensions42×31×21 cm
Airline fit76%
Price$70

Key differences between the haize project Clamshell 25 and Bagsmart Blast Travel Backpack 28L

Both have: compression straps, backpack straps, 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. 138 accept both. 35 accept only the haize project Clamshell 25, and 5 accept only the Bagsmart Blast Travel Backpack 28L.

Only the haize project Clamshell 25 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, Luxair, Meridiana Fly, Nordwind Airlines, 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), Volotea, Xiamen.

Only the Bagsmart Blast Travel Backpack 28L fits

American Eagle, Gulf Air, Ravn Alaska, Regional Express, Virgin Australia.

haize project Clamshell 25 vs. Bagsmart Blast Travel Backpack 28L: which should you pack?

The Bagsmart Blast Travel Backpack 28L carries 3L more than the haize project Clamshell 25 (25L vs. 28L), while the Bagsmart Blast Travel Backpack 28L is the lighter pack at 0.9kg (vs. 1.4kg). For carry-on flexibility, the haize project Clamshell 25 fits 92% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Bagsmart Blast Travel Backpack 28L; if you want to travel lighter, the Bagsmart Blast Travel Backpack 28L is the better call.