---
url: "https://onebag.travel/compare/3dlhnne6vf/patagonia-tres-backpack-25l/c9jxve4nwa/cabin-zero-classic-pro-42l/"
title: "Patagonia Tres Backpack 25L vs Cabin Zero Classic Pro 42L"
description: "Patagonia Tres Backpack 25L vs Cabin Zero Classic Pro 42L: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/3dlhnne6vf/patagonia-tres-backpack-25l/c9jxve4nwa/cabin-zero-classic-pro-42l/"
---
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3.  Patagonia Tres Backpack 25L vs. Cabin Zero Classic Pro 42L

# Patagonia Tres Backpack 25L vs. Cabin Zero Classic Pro 42L

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

## [Patagonia Tres Backpack 25L](https://onebag.travel/carryon/3dlhnne6vf/patagonia-tres-backpack-25l/)

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

![Front facing view of the Patagonia Tres Backpack 25L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1632804553/carryons/Patagonia_Tres_Backpack_25L_oncsjj.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>0.9 kg</td></tr><tr><td>Dimensions</td><td>48×31×17 cm</td></tr><tr><td>Airline fit</td><td>92%</td></tr><tr><td>Price</td><td>$129</td></tr></tbody></table>

## Feature by feature

| Patagonia Tres Backpack 25L | Feature | Cabin Zero Classic Pro 42L |
| --- | --- | --- |
| Storage |
| N | Compression | 4 |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| N | Passport | N |
| Y | Passthrough | Y |
| Carry |
| hideable | Backpack | hideable |
| N | Hip Belt | hideable |
| Y | Sternum Strap | Y |
| Inside |
| 15in | Laptop | 15in |
| 1 | Main Compartments | 2 |
| Y | Organizer | Y |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| N | Water Bottle Holder | 1, side |
| Y | Water Resistant | Y |

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

## [Cabin Zero Classic Pro 42L](https://onebag.travel/carryon/c9jxve4nwa/cabin-zero-classic-pro-42l/)

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

![Front facing view of the Cabin Zero Classic Pro 42L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1621504757/carryons/Cabin_Zero_Classic_Pro_42L_s81ww6.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>42 L</td></tr><tr><td>Weight</td><td>1.4 kg</td></tr><tr><td>Dimensions</td><td>54×35×20 cm</td></tr><tr><td>Airline fit</td><td>87%</td></tr><tr><td>Price</td><td>$184</td></tr></tbody></table>

## Key differences between the Patagonia Tres Backpack 25L and Cabin Zero Classic Pro 42L

-   **Compression straps:** No on the Patagonia Tres Backpack 25L; 4 on the Cabin Zero Classic Pro 42L.
-   **Hip belt:** No on the Patagonia Tres Backpack 25L; Hideable on the Cabin Zero Classic Pro 42L.
-   **Main compartments:** 1 on the Patagonia Tres Backpack 25L; 2 on the Cabin Zero Classic Pro 42L.
-   **Water bottle pockets:** No on the Patagonia Tres Backpack 25L; 1, side on the Cabin Zero Classic Pro 42L.

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. 165 accept both. 9 accept only the Patagonia Tres Backpack 25L, and 0 accept only the Cabin Zero Classic Pro 42L.

### Only the Patagonia Tres Backpack 25L fits

Belavia, Cayman Airways, Etihad Airways, Oman Air, Qatar Airways, Regional Express, Royal Jordanian, Virgin Australia, WestJet.

## Patagonia Tres Backpack 25L vs. Cabin Zero Classic Pro 42L: which should you pack?

The **Cabin Zero Classic Pro 42L** carries 17L more than the **Patagonia Tres Backpack 25L** (25L vs. 42L), while the **Patagonia Tres Backpack 25L** is the lighter pack at 0.9kg (vs. 1.4kg). For carry-on flexibility, the **Patagonia Tres Backpack 25L** fits 92% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Cabin Zero Classic Pro 42L; if you want to travel lighter, the Patagonia Tres Backpack 25L is the better call.