Cabin Zero Classic Cabin Backpack 44L vs. haize project Clamshell 38

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

Cabin Zero Classic Cabin Backpack 44L

Front facing view of the Cabin Zero Classic Cabin Backpack 44L
Capacity44 L
Weight0.8 kg
Dimensions51×37×20 cm
Airline fit61%
Price$110

Feature by feature

Cabin Zero Classic Cabin Backpack 44LFeaturehaize project Clamshell 38
Storage
4 Compression 4
None Expanded Capacity None
1 Opening 1
front Passport top
N Passthrough N
Carry
Y Backpack Y
N Hip Belt N
N 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
600 denier polyester1680D RPET polyurethane

haize project Clamshell 38

Front facing view of the haize project Clamshell 38
Capacity38 L
Weight1.6 kg
Dimensions55×35×20 cm
Airline fit86%
Price$380

Key differences between the Cabin Zero Classic Cabin Backpack 44L and haize project Clamshell 38

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. 111 accept both. 5 accept only the Cabin Zero Classic Cabin Backpack 44L, and 51 accept only the haize project Clamshell 38.

Only the Cabin Zero Classic Cabin Backpack 44L fits

Oman Air, Royal Jordanian, Scoot, Tiger Airways, WestJet.

Only the haize project Clamshell 38 fits

Aerolineas Argentinas, Air Asia, Air France, Air India, Air Macau, Air Mauritius, Air Wisconsin, AirAsiaX, Alaska Airlines, Allegiant Air, American Airlines, Avianca , Bahamasair, Bangkok Airways, Biman Bangladesh, Boliviana de Aviacion, Cambodia Angkor Air, Cathay Pacific, Cebu Pacific, China Airlines, CommutAir, Copa Airlines, Delta Airlines, Dragonair, EVA Air, flybe, Garuda Indonesia, Hawaiian Airlines, Hong Kong Airlines, Indigo, InselAir, Jet Airways, jetBlue Airways, Jetstar Airways, Jetstar Asia, Kenya Airways, KLM, Kulula, LATAM , Malaysia Airlines, Mango, Qantas Airways, Republic Airways, Sky Airlines, Skywest, Inc., South African Airways, SriLankan Airlines, Trans States, United Airlines, Vietnam Airlines, Virgin Atlantic.

Cabin Zero Classic Cabin Backpack 44L vs. haize project Clamshell 38: which should you pack?

The Cabin Zero Classic Cabin Backpack 44L carries 6L more than the haize project Clamshell 38 (44L vs. 38L), while the Cabin Zero Classic Cabin Backpack 44L is the lighter pack at 0.8kg (vs. 1.6kg). For carry-on flexibility, the haize project Clamshell 38 fits 86% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Cabin Zero Classic Cabin Backpack 44L; if you want to travel lighter, the Cabin Zero Classic Cabin Backpack 44L is the better call.