---
url: "https://onebag.travel/compare/3dlhnne6vf/patagonia-tres-backpack-25l/8r2qh8ygpi/deuter-aviant-carry-on-28-sl/"
title: "Patagonia Tres Backpack 25L vs Deuter Aviant Carry On 28 SL"
description: "Patagonia Tres Backpack 25L vs Deuter Aviant Carry On 28 SL: 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/8r2qh8ygpi/deuter-aviant-carry-on-28-sl/"
---
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2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  Patagonia Tres Backpack 25L vs. Deuter Aviant Carry On 28 SL

# Patagonia Tres Backpack 25L vs. Deuter Aviant Carry On 28 SL

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 | Deuter Aviant Carry On 28 SL |
| --- | --- | --- |
| Storage |
| N | Compression | N |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| N | Passport | N |
| Y | Passthrough | N |
| Carry |
| hideable | Backpack | hideable |
| N | Hip Belt | N |
| Y | Sternum Strap | N |
| Inside |
| 15in | Laptop | 15in |
| 1 | Main Compartments | 1 |
| Y | Organizer | Y |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| N | Water Bottle Holder | N |
| 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>600D PES, 420D PA</td></tr></tbody></table>

## [Deuter Aviant Carry On 28 SL](https://onebag.travel/carryon/8r2qh8ygpi/deuter-aviant-carry-on-28-sl/)

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

![Front facing view of the Deuter Aviant Carry On 28 SL](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1621816571/carryons/Deuter_Aviant_Carry_On_28_SL_rheiki.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>28 L</td></tr><tr><td>Weight</td><td>1.02 kg</td></tr><tr><td>Dimensions</td><td>50×33×20 cm</td></tr><tr><td>Airline fit</td><td>91%</td></tr><tr><td>Price</td><td>$104</td></tr></tbody></table>

## Key differences between the Patagonia Tres Backpack 25L and Deuter Aviant Carry On 28 SL

-   **Luggage passthrough:** Yes on the Patagonia Tres Backpack 25L; No on the Deuter Aviant Carry On 28 SL.
-   **Sternum strap:** Yes on the Patagonia Tres Backpack 25L; No on the Deuter Aviant Carry On 28 SL.

Both have: backpack straps, 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. 172 accept both. 2 accept only the Patagonia Tres Backpack 25L, and 0 accept only the Deuter Aviant Carry On 28 SL.

### Only the Patagonia Tres Backpack 25L fits

Regional Express, Virgin Australia.

## Patagonia Tres Backpack 25L vs. Deuter Aviant Carry On 28 SL: which should you pack?

The **Deuter Aviant Carry On 28 SL** carries 3L more than the **Patagonia Tres Backpack 25L** (25L vs. 28L), while the **Patagonia Tres Backpack 25L** is the lighter pack at 0.9kg (vs. 1.02kg). 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 Deuter Aviant Carry On 28 SL; if you want to travel lighter, the Patagonia Tres Backpack 25L is the better call.