---
url: "https://onebag.travel/compare/8pkimzt3yg/cabin-zero-classic-pro-32l/h1rqln9ogu/patagonia-tres-mlc-45l/"
title: "Cabin Zero Classic Pro 32L vs Patagonia Tres MLC® 45L"
description: "Cabin Zero Classic Pro 32L vs Patagonia Tres MLC® 45L: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/8pkimzt3yg/cabin-zero-classic-pro-32l/h1rqln9ogu/patagonia-tres-mlc-45l/"
---
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2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  Cabin Zero Classic Pro 32L vs. Patagonia Tres MLC® 45L

# Cabin Zero Classic Pro 32L vs. Patagonia Tres MLC® 45L

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

## [Cabin Zero Classic Pro 32L](https://onebag.travel/carryon/8pkimzt3yg/cabin-zero-classic-pro-32l/)

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

![Front facing view of the Cabin Zero Classic Pro 32L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1621504329/carryons/Cabin_Zero_Classic_Pro_32L_ix4tji.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>32 L</td></tr><tr><td>Weight</td><td>1.2 kg</td></tr><tr><td>Dimensions</td><td>46×31×20 cm</td></tr><tr><td>Airline fit</td><td>94%</td></tr><tr><td>Price</td><td>$141</td></tr></tbody></table>

## Feature by feature

| Cabin Zero Classic Pro 32L | Feature | Patagonia Tres MLC® 45L |
| --- | --- | --- |
| Storage |
| 4 | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| N | Passport | N |
| Y | Passthrough | Y |
| Carry |
| hideable | Backpack | hideable |
| hideable | Hip Belt | N |
| Y | Sternum Strap | Y |
| Inside |
| 15in | Laptop | 15in |
| 2 | Main Compartments | 1 |
| Y | Organizer | Y |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| 1, side | Water Bottle Holder | N |
| Y | Water Resistant | Y |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>600 Denier Polyester</td><td>630-denier nylon, 200-denier 100% recycled polyeste</td></tr></tbody></table>

## [Patagonia Tres MLC® 45L](https://onebag.travel/carryon/h1rqln9ogu/patagonia-tres-mlc-45l/)

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

![Front facing view of the Patagonia Tres MLC® 45L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1632754332/carryons/Patagonia_Tres_MLC_45L_gbmz36.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>45 L</td></tr><tr><td>Weight</td><td>1.5 kg</td></tr><tr><td>Dimensions</td><td>54×41×18 cm</td></tr><tr><td>Airline fit</td><td>26%</td></tr><tr><td>Price</td><td>$179</td></tr></tbody></table>

## Key differences between the Cabin Zero Classic Pro 32L and Patagonia Tres MLC® 45L

-   **Compression straps:** 4 on the Cabin Zero Classic Pro 32L; No on the Patagonia Tres MLC® 45L.
-   **Hip belt:** Hideable on the Cabin Zero Classic Pro 32L; No on the Patagonia Tres MLC® 45L.
-   **Main compartments:** 2 on the Cabin Zero Classic Pro 32L; 1 on the Patagonia Tres MLC® 45L.
-   **Water bottle pockets:** 1, side on the Cabin Zero Classic Pro 32L; No on the Patagonia Tres MLC® 45L.

Both have: luggage passthrough, backpack straps, sternum strap, laptop sleeve, built-in organizer, water resistant.

## Which airlines take each bag as a carry-on

We checked both bags against the carry-on size limits of 189 airlines. 49 accept both. 128 accept only the Cabin Zero Classic Pro 32L, and 0 accept only the Patagonia Tres MLC® 45L.

### Only the Cabin Zero Classic Pro 32L fits

Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Asia, Air Baltic, Air Canada, Air China, Air France, Air India, Air Macau, Air Malta, Air Mauritius, Air Serbia, Air Seychelles, Air Wisconsin, AirAsiaX, Alaska Airlines, All Nipon Airways, Allegiant Air, American Airlines, American Eagle, ANA, Asiana Airlines, ATA Airlines, Austrian, Avianca , Azerbaijan Airlines, Bahamasair, Bangkok Airways, Belavia, Biman Bangladesh, Blue Air, Boliviana de Aviacion, Brussels Airlines, Bulgaria Air, Cambodia Angkor Air, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, China Eastern, CommutAir, Conviasa, Copa Airlines, Croatia Air, Delta Airlines, Dragonair, easyJet, Emirates Airlines, Enter Air, Ethiopian Airlines, Etihad Airways, Eurowings, EVA Air, Fiji Airways, Flair Air, flybe, Garuda Indonesia, Gol Linhas Aereas, Hawaiian Airlines, Hong Kong Airlines, Icelandair, Indigo, InselAir, Interjet, Japan Airlines, Jet Airways, jetBlue Airways, Jetstar Airways, Jetstar Asia, Juneyao Airlines, Kenya Airways, KLM, Kulula, LATAM , Liat Airlines, LOT Polish, Lufthansa, Luxair, Mahan Air, Malaysia Airlines, Mango, Meridiana Fly, Mesa Airlines, Middle East Airlines, Monarch Airlines, Nordwind Airlines, Norwegian, Oman Air, Pakistan International, Peach, Porter Airlines, Qantas Airways, Qatar Airways, Ravn Alaska, Regional Express, Republic Airways, Royal Brunei Airlines, Royal Jordanian, Ryanair, S7, SAS Scandinavian, Scoot, Shandong Airlines, Shenzhen Airlines, Sky Airlines, Skywest, Inc., South African Airways, SriLankan Airlines, Sun Express, Swiss Int'l Air Lines, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), Tiger Airways, Trans States, TUI, Turkish Airlines, Ukraine International, United Airlines, Vietnam Airlines, VIM Airlines (Closed), Virgin Atlantic, Virgin Australia, Volotea, WestJet, Xiamen.

## Cabin Zero Classic Pro 32L vs. Patagonia Tres MLC® 45L: which should you pack?

The **Patagonia Tres MLC® 45L** carries 13L more than the **Cabin Zero Classic Pro 32L** (32L vs. 45L), while the **Cabin Zero Classic Pro 32L** is the lighter pack at 1.2kg (vs. 1.5kg). For carry-on flexibility, the **Cabin Zero Classic Pro 32L** fits 94% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Patagonia Tres MLC® 45L; if you want to travel lighter, the Cabin Zero Classic Pro 32L is the better call.