Cabin Zero Military 44 vs. haize project Clamshell 25

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

Cabin Zero Military 44

Front facing view of the Cabin Zero Military 44
Capacity44 L
Weight1.1 kg
Dimensions51×36×18 cm
Airline fit82%
Price$160

Feature by feature

Cabin Zero Military 44Featurehaize project Clamshell 25
Storage
4 Compression 4
None Expanded Capacity None
1 Opening 1
side Passport top
N Passthrough N
Carry
Y Backpack Y
Y Hip Belt N
removable Sternum Strap removable
Inside
15in Laptop 15in
2 Main Compartments 4
N Organizer N
Outside
× Hard Shell ×
N Rain-fly N
1, side Water Bottle Holder 1, side
Y Water Resistant Y
Material
1000 denier nylon1680D RPET polyurethane

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

Key differences between the Cabin Zero Military 44 and haize project Clamshell 25

Both have: compression straps, backpack straps, 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. 155 accept both. 0 accept only the Cabin Zero Military 44, and 18 accept only the haize project Clamshell 25.

Only the haize project Clamshell 25 fits

Aerolineas Argentinas, Air France, Air India, Air Mauritius, Air Niugini, Belavia, Boliviana de Aviacion, Cayman Airways, Etihad Airways, flybe, Indigo, InselAir, Jet Airways, Kenya Airways, KLM, LATAM , Qatar Airways, Sky Airlines.

Cabin Zero Military 44 vs. haize project Clamshell 25: which should you pack?

The Cabin Zero Military 44 carries 19L more than the haize project Clamshell 25 (44L vs. 25L), while the Cabin Zero Military 44 is the lighter pack at 1.1kg (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 Cabin Zero Military 44; if you want to travel lighter, the Cabin Zero Military 44 is the better call.