---
url: "https://onebag.travel/compare/9h7a7kp5o0/patagonia-altvia-pack-28l/t20q1jtv18/osprey-atmos-ag-65/"
title: "Patagonia Altvia Pack 28L vs Osprey Atmos AG 65"
description: "Patagonia Altvia Pack 28L vs Osprey Atmos AG 65: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/9h7a7kp5o0/patagonia-altvia-pack-28l/t20q1jtv18/osprey-atmos-ag-65/"
---
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3.  Patagonia Altvia Pack 28L vs. Osprey Atmos AG 65

# Patagonia Altvia Pack 28L vs. Osprey Atmos AG 65

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

## [Patagonia Altvia Pack 28L](https://onebag.travel/carryon/9h7a7kp5o0/patagonia-altvia-pack-28l/)

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

![Front facing view of the Patagonia Altvia Pack 28L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1633531521/carryons/Altvia_Pakc_small_qnbvmi.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>0.797 kg</td></tr><tr><td>Dimensions</td><td>59×30×27 cm</td></tr><tr><td>Airline fit</td><td>3%</td></tr><tr><td>Price</td><td>$139</td></tr></tbody></table>

## Feature by feature

| Patagonia Altvia Pack 28L | Feature | Osprey Atmos AG 65 |
| --- | --- | --- |
| Storage |
| Y | Compression | Y |
| None | Expanded Capacity | None |
| 0 | Opening | 0 |
| N | Passport |  |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| Y | Hip Belt | Y |
| Y | Sternum Strap | removable |
| Inside |
| N | Laptop | N |
| 1 | Main Compartments | 3 |
| N | Organizer | N |
| Outside |
| × | Hard Shell | × |
| removable | Rain-fly | Y |
| 2 | Water Bottle Holder | 2 |
| Y | Water Resistant | Y |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>140-denier 100% recycled nylon ripstop, 200-denier 100% recycled polyester</td><td>Nylon</td></tr></tbody></table>

## [Osprey Atmos AG 65](https://onebag.travel/carryon/t20q1jtv18/osprey-atmos-ag-65/)

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

![Front facing view of the Osprey Atmos AG 65](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1617438946/carryons/Osprey_Atmos_AG_65_ibbsos.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>65 L</td></tr><tr><td>Weight</td><td>2.2 kg</td></tr><tr><td>Dimensions</td><td>87×41×39 cm</td></tr><tr><td>Airline fit</td><td>0%</td></tr><tr><td>Price</td><td>$269</td></tr></tbody></table>

## Key differences between the Patagonia Altvia Pack 28L and Osprey Atmos AG 65

-   **Sternum strap:** Yes on the Patagonia Altvia Pack 28L; Removable on the Osprey Atmos AG 65.
-   **Main compartments:** 1 on the Patagonia Altvia Pack 28L; 3 on the Osprey Atmos AG 65.
-   **Rain cover:** Removable on the Patagonia Altvia Pack 28L; Yes on the Osprey Atmos AG 65.

Both have: compression straps, backpack straps, hip belt, 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. 0 accept both. 6 accept only the Patagonia Altvia Pack 28L, and 0 accept only the Osprey Atmos AG 65.

### Only the Patagonia Altvia Pack 28L fits

Adria Airways, Air New Zealand, Azul Airlines, Island Air, Sun Country, Virgin America.

## Patagonia Altvia Pack 28L vs. Osprey Atmos AG 65: which should you pack?

The **Osprey Atmos AG 65** carries 37L more than the **Patagonia Altvia Pack 28L** (28L vs. 65L), while the **Patagonia Altvia Pack 28L** is the lighter pack at 0.797kg (vs. 2.2kg). For carry-on flexibility, the **Patagonia Altvia Pack 28L** fits 3% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Osprey Atmos AG 65; if you want to travel lighter, the Patagonia Altvia Pack 28L is the better call.