---
url: "https://onebag.travel/compare/3599pg1ucq/osprey-ozone-duplex-65l/4f3kh4o1hc/thule-landmark-40l/"
title: "Osprey Ozone Duplex 65L vs Thule Landmark 40L"
description: "Osprey Ozone Duplex 65L vs Thule Landmark 40L: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/3599pg1ucq/osprey-ozone-duplex-65l/4f3kh4o1hc/thule-landmark-40l/"
---
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3.  Osprey Ozone Duplex 65L vs. Thule Landmark 40L

# Osprey Ozone Duplex 65L vs. Thule Landmark 40L

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

## [Osprey Ozone Duplex 65L](https://onebag.travel/carryon/3599pg1ucq/osprey-ozone-duplex-65l/)

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

![Front facing view of the Osprey Ozone Duplex 65L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1617189128/carryons/Osprey_Ozone_Duplex_65_n4nnky.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>1.9 kg</td></tr><tr><td>Dimensions</td><td>54×35×23 cm</td></tr><tr><td>Airline fit</td><td>69%</td></tr><tr><td>Price</td><td>$120</td></tr></tbody></table>

## Feature by feature

| Osprey Ozone Duplex 65L | Feature | Thule Landmark 40L |
| --- | --- | --- |
| Storage |
| Y | Compression | Y |
| None | Expanded Capacity | None |
| 0 | Opening | 0 |
| Y | Passport | Y |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| Y | Hip Belt | hideable |
| Y | Sternum Strap | Y |
| Inside |
| 15in | Laptop | 1in |
| 0 | Main Compartments | 3 |
| Y | Organizer | Y |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| 2 | Water Bottle Holder | 1 |
| Y | Water Resistant | N |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>210D Nylon Honey Comb Contrast Thread, 450D Packcloth</td><td>420D Dobby polyester, 600D polyester</td></tr></tbody></table>

## [Thule Landmark 40L](https://onebag.travel/carryon/4f3kh4o1hc/thule-landmark-40l/)

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

![Front facing view of the Thule Landmark 40L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1616994691/carryons/Thule_Landmark_40L_uf4sm6.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>40 L</td></tr><tr><td>Weight</td><td>1.4 kg</td></tr><tr><td>Dimensions</td><td>56×34×26 cm</td></tr><tr><td>Airline fit</td><td>6%</td></tr><tr><td>Price</td><td>$149</td></tr></tbody></table>

## Key differences between the Osprey Ozone Duplex 65L and Thule Landmark 40L

-   **Hip belt:** Yes on the Osprey Ozone Duplex 65L; Hideable on the Thule Landmark 40L.
-   **Laptop sleeve:** 15in on the Osprey Ozone Duplex 65L; 1in on the Thule Landmark 40L.
-   **Water bottle pockets:** 2 on the Osprey Ozone Duplex 65L; 1 on the Thule Landmark 40L.
-   **Water resistant:** Yes on the Osprey Ozone Duplex 65L; No on the Thule Landmark 40L.

Both have: compression straps, passport pocket, backpack straps, sternum strap, built-in organizer.

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

We checked both bags against the carry-on size limits of 189 airlines. 11 accept both. 119 accept only the Osprey Ozone Duplex 65L, and 0 accept only the Thule Landmark 40L.

### Only the Osprey Ozone Duplex 65L fits

Aegean Airlines, Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Asia, Air Astana, Air Canada, Air Caraibes, Air Europa, Air France, Air India, Air Koryo, Air Macau, Air Mauritius, Air Nostrum, Air Tahiti Nui, Air Wisconsin, AirAsiaX, Alaska Airlines, All Nipon Airways, Allegiant Air, American Airlines, ANA, Atlas Global, Austrian, Avianca , Azerbaijan Airlines, Azul Linhas, Bahamasair, Bangkok Airways, Biman Bangladesh, Boliviana de Aviacion, British Airways, Brussels Airlines, Cambodia Angkor Air, Caribbean Airlines, Cathay Pacific, Cebu Pacific, China Airlines, China Southern, CommutAir, Conviasa, Croatia Air, Cubana de Aviacion, Czech Airlines, Delta Airlines, Dragonair, EL AL, Ethiopian Airlines, Eurowings, EVA Air, Fiji Airways, Finnair, Flair Air, Garuda Indonesia, Gol Linhas Aereas, Hainan Airlines, Hawaiian Airlines, Hong Kong Airlines, Iberia, Indigo, Interjet, Iran Air, Iran Aseman Air, Japan Airlines, Jet Airways, Jet2, jetBlue Airways, Jetstar Airways, Jetstar Asia, Kenya Airways, KLM, Korean Air, Kulula, Kuwait Air, LATAM , LOT Polish, Lufthansa, Mahan Air, Malaysia Airlines, Mango, Mesa Airlines, Middle East Airlines, Monarch Airlines, Norwegian, Onur Air, Peach, Philippine Airlines, Porter Airlines, Qantas Airways, Republic Airways, Royal Air Morocco, SAS Scandinavian, Saudi Arabian Airlines, Scoot, Sichuan Airlines, SilkAir, Silver Airways, Singapore Airlines, Sky Airlines, Skywest, Inc., South African Airways, SpiceJet, SriLankan Airlines, Swiss Int'l Air Lines, TAAG Angola, TAM Airlines, Thai Airways, Tiger Airways, Trans States, Travel Service Airlines, Turkish Airlines, United Airlines, Ural Airlines, Uzbekistan Air, Vietnam Airlines, Virgin Atlantic, WOW Airlines.

## Osprey Ozone Duplex 65L vs. Thule Landmark 40L: which should you pack?

The **Osprey Ozone Duplex 65L** carries 25L more than the **Thule Landmark 40L** (65L vs. 40L), while the **Thule Landmark 40L** is the lighter pack at 1.4kg (vs. 1.9kg). For carry-on flexibility, the **Osprey Ozone Duplex 65L** fits 69% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Osprey Ozone Duplex 65L; if you want to travel lighter, the Thule Landmark 40L is the better call.