---
url: "https://onebag.travel/compare/l1dmawliud/cabin-zero-classic-cabin-backpack-44l/t0jtlftd9v/haize-project-clamshell-25/"
title: "Cabin Zero Classic Cabin Backpack 44L vs haize project Clamshell 25"
description: "Cabin Zero Classic Cabin Backpack 44L vs haize project Clamshell 25: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/l1dmawliud/cabin-zero-classic-cabin-backpack-44l/t0jtlftd9v/haize-project-clamshell-25/"
---
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3.  Cabin Zero Classic Cabin Backpack 44L vs. haize project Clamshell 25

# Cabin Zero Classic Cabin Backpack 44L vs. haize project Clamshell 25

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

## [Cabin Zero Classic Cabin Backpack 44L](https://onebag.travel/carryon/l1dmawliud/cabin-zero-classic-cabin-backpack-44l/)

by [Cabin Zero](https://onebag.travel/carryons/?brands=Cabin Zero)

![Front facing view of the Cabin Zero Classic Cabin Backpack 44L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990313/carryons/cabin-zero-classic-cabin-backpack-44l-l1dmawliud.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>44 L</td></tr><tr><td>Weight</td><td>0.8 kg</td></tr><tr><td>Dimensions</td><td>51×37×20 cm</td></tr><tr><td>Airline fit</td><td>61%</td></tr><tr><td>Price</td><td>$110</td></tr></tbody></table>

## Feature by feature

| Cabin Zero Classic Cabin Backpack 44L | Feature | haize project Clamshell 25 |
| --- | --- | --- |
| 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 |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>600 denier polyester</td><td>1680D RPET polyurethane</td></tr></tbody></table>

## [haize project Clamshell 25](https://onebag.travel/carryon/t0jtlftd9v/haize-project-clamshell-25/)

by [haize project](https://onebag.travel/carryons/?brands=haize project)

![Front facing view of the haize project Clamshell 25](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990372/carryons/haize-project-clamshell-25-t0jtlftd9v.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>25 L</td></tr><tr><td>Weight</td><td>1.4 kg</td></tr><tr><td>Dimensions</td><td>50×29×17 cm</td></tr><tr><td>Airline fit</td><td>92%</td></tr><tr><td>Price</td><td>$333</td></tr></tbody></table>

## Key differences between the Cabin Zero Classic Cabin Backpack 44L and haize project Clamshell 25

-   **Passport pocket:** Front on the Cabin Zero Classic Cabin Backpack 44L; Top on the haize project Clamshell 25.
-   **Sternum strap:** No on the Cabin Zero Classic Cabin Backpack 44L; Removable on the haize project Clamshell 25.
-   **Main compartments:** 2 on the Cabin Zero Classic Cabin Backpack 44L; 4 on the haize project Clamshell 25.

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. 116 accept both. 0 accept only the Cabin Zero Classic Cabin Backpack 44L, and 57 accept only the haize project Clamshell 25.

### Only the haize project Clamshell 25 fits

Aerolineas Argentinas, Air Asia, Air France, Air India, Air Macau, Air Mauritius, Air Niugini, Air Wisconsin, AirAsiaX, Alaska Airlines, Allegiant Air, American Airlines, Avianca , Bahamasair, Bangkok Airways, Belavia, Biman Bangladesh, Boliviana de Aviacion, Cambodia Angkor Air, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, CommutAir, Copa Airlines, Delta Airlines, Dragonair, Etihad Airways, 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 , Liat Airlines, Malaysia Airlines, Mango, Qantas Airways, Qatar 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 25: which should you pack?

The **Cabin Zero Classic Cabin Backpack 44L** carries 19L more than the **haize project Clamshell 25** (44L vs. 25L), while the **Cabin Zero Classic Cabin Backpack 44L** is the lighter pack at 0.8kg (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 Classic Cabin Backpack 44L; if you want to travel lighter, the Cabin Zero Classic Cabin Backpack 44L is the better call.