---
url: "https://onebag.travel/compare/fnpb473pij/osprey-manta-34/k9rctz38bn/osprey-sirrus-24/"
title: "Osprey Manta 34 vs Osprey Sirrus 24 - One Bag Travel"
description: "Osprey Manta 34 vs Osprey Sirrus 24: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/fnpb473pij/osprey-manta-34/k9rctz38bn/osprey-sirrus-24/"
---
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3.  Osprey Manta 34 vs. Osprey Sirrus 24

# Osprey Manta 34 vs. Osprey Sirrus 24

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

## [Osprey Manta 34](https://onebag.travel/carryon/fnpb473pij/osprey-manta-34/)

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

![Front facing view of the Osprey Manta 34](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990492/carryons/osprey-manta-34-fnpb473pij.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>34 L</td></tr><tr><td>Weight</td><td>1.4 kg</td></tr><tr><td>Dimensions</td><td>62×35×28 cm</td></tr><tr><td>Airline fit</td><td>2%</td></tr><tr><td>Price</td><td>$220</td></tr></tbody></table>

## Feature by feature

| Osprey Manta 34 | Feature | Osprey Sirrus 24 |
| --- | --- | --- |
| Storage |
| 4 | Compression | 4 |
| None | Expanded Capacity | None |
| 1 | Opening | 0 |
| top | Passport | top |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| Y | Hip Belt | Y |
| Y | Sternum Strap | Y |
| Inside |
| N | Laptop | N |
| 4 | Main Compartments | 3 |
| Y | Organizer | N |
| Outside |
| × | Hard Shell | × |
| Y | Rain-fly | Y |
| 2, side | Water Bottle Holder | 2, side |
| Y | Water Resistant | N |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>bluesign® APPROVED 100% recycled 210D high-tenacity honey comb contrast nylon, DWR treatments made without PFAS</td><td>bluesign® APPROVED 210D recycled honey comb nylon, PFC/PFAS-free DWR</td></tr></tbody></table>

## [Osprey Sirrus 24](https://onebag.travel/carryon/k9rctz38bn/osprey-sirrus-24/)

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

![Front facing view of the Osprey Sirrus 24](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990418/carryons/osprey-sirrus-24-k9rctz38bn.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>24 L</td></tr><tr><td>Weight</td><td>1.2 kg</td></tr><tr><td>Dimensions</td><td>55×34×24 cm</td></tr><tr><td>Airline fit</td><td>39%</td></tr><tr><td>Price</td><td>$180</td></tr></tbody></table>

## Key differences between the Osprey Manta 34 and Osprey Sirrus 24

-   **Opening:** Clamshell on the Osprey Manta 34; Other on the Osprey Sirrus 24.
-   **Main compartments:** 4 on the Osprey Manta 34; 3 on the Osprey Sirrus 24.
-   **Built-in organizer:** Yes on the Osprey Manta 34; No on the Osprey Sirrus 24.
-   **Water resistant:** Yes on the Osprey Manta 34; No on the Osprey Sirrus 24.

Both have: compression straps, passport pocket, backpack straps, hip belt, sternum strap, rain cover, water bottle pockets.

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

We checked both bags against the carry-on size limits of 189 airlines. 3 accept both. 0 accept only the Osprey Manta 34, and 70 accept only the Osprey Sirrus 24.

### Only the Osprey Sirrus 24 fits

Adria Airways, Aegean Airlines, Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Astana, Air Caraibes, Air Europa, Air France, Air India, Air Koryo, Air Mauritius, Air New Zealand, Air Nostrum, Air Tahiti Nui, All Nipon Airways, ANA, Atlas Global, Azul Linhas, Boliviana de Aviacion, British Airways, Caribbean Airlines, China Southern, Conviasa, Copa Airlines, Cubana de Aviacion, Czech Airlines, EL AL, Finnair, Frontier Airlines, Gol Linhas Aereas, Hainan Airlines, Iberia, Indigo, Interjet, Iran Air, Iran Aseman Air, Japan Airlines, Jet Airways, Jet2, Kenya Airways, KLM, Korean Air, Kuwait Air, LATAM , Middle East Airlines, Monarch Airlines, Onur Air, Peach, PenAir, Philippine Airlines, Royal Air Morocco, Saudi Arabian Airlines, Sichuan Airlines, SilkAir, Silver Airways, Singapore Airlines, Sky Airlines, Southwest Airlines, SpiceJet, Spirit Airlines, Sun Country, TAAG Angola, TAM Airlines, Thai Airways, Travel Service Airlines, Ural Airlines, Uzbekistan Air, WOW Airlines.

## Osprey Manta 34 vs. Osprey Sirrus 24: which should you pack?

The **Osprey Manta 34** carries 10L more than the **Osprey Sirrus 24** (34L vs. 24L), while the **Osprey Sirrus 24** is the lighter pack at 1.2kg (vs. 1.4kg). For carry-on flexibility, the **Osprey Sirrus 24** fits 39% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Osprey Manta 34; if you want to travel lighter, the Osprey Sirrus 24 is the better call.