---
url: "https://onebag.travel/compare/0tetq72hrx/osprey-nebula-32/hs9q833p2l/osprey-tropos-32/"
title: "Osprey Nebula 32 vs Osprey Tropos 32 - One Bag Travel"
description: "Osprey Nebula 32 vs Osprey Tropos 32: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/0tetq72hrx/osprey-nebula-32/hs9q833p2l/osprey-tropos-32/"
---
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3.  Osprey Nebula 32 vs. Osprey Tropos 32

# Osprey Nebula 32 vs. Osprey Tropos 32

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

## [Osprey Nebula 32](https://onebag.travel/carryon/0tetq72hrx/osprey-nebula-32/)

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

![Front facing view of the Osprey Nebula 32](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990492/carryons/osprey-nebula-32-0tetq72hrx.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>32 L</td></tr><tr><td>Weight</td><td>1 kg</td></tr><tr><td>Dimensions</td><td>49×31×29 cm</td></tr><tr><td>Airline fit</td><td>13%</td></tr><tr><td>Price</td><td>$140</td></tr></tbody></table>

## Feature by feature

| Osprey Nebula 32 | Feature | Osprey Tropos 32 |
| --- | --- | --- |
| Storage |
| 4 | Compression | 4 |
| None | Expanded Capacity | None |
| 1 | Opening | 0 |
| top | Passport | top |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| removable | Hip Belt | Y |
| Y | Sternum Strap | Y |
| Inside |
| 16in | Laptop | 15in |
| 3 | Main Compartments | 4 |
| Y | Organizer | Y |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| 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>420D recycled nylon, PFAS-free DWR</td><td>bluesign® APPROVED 210D recycled honey comb contrast nylon, PFAS-free DWR</td></tr></tbody></table>

## [Osprey Tropos 32](https://onebag.travel/carryon/hs9q833p2l/osprey-tropos-32/)

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

![Front facing view of the Osprey Tropos 32](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990496/carryons/osprey-tropos-32-hs9q833p2l.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>32 L</td></tr><tr><td>Weight</td><td>1.3 kg</td></tr><tr><td>Dimensions</td><td>54×32×28 cm</td></tr><tr><td>Airline fit</td><td>14%</td></tr><tr><td>Price</td><td>$200</td></tr></tbody></table>

## Key differences between the Osprey Nebula 32 and Osprey Tropos 32

-   **Opening:** Clamshell on the Osprey Nebula 32; Other on the Osprey Tropos 32.
-   **Hip belt:** Removable on the Osprey Nebula 32; Yes on the Osprey Tropos 32.
-   **Laptop sleeve:** 16in on the Osprey Nebula 32; 15in on the Osprey Tropos 32.
-   **Main compartments:** 3 on the Osprey Nebula 32; 4 on the Osprey Tropos 32.
-   **Water resistant:** Yes on the Osprey Nebula 32; No on the Osprey Tropos 32.

Both have: compression straps, passport pocket, backpack straps, sternum strap, built-in organizer, 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. 24 accept both. 1 accept only the Osprey Nebula 32, and 2 accept only the Osprey Tropos 32.

### Only the Osprey Nebula 32 fits

Croatia Air.

### Only the Osprey Tropos 32 fits

Island Air, Sun Country.

## Osprey Nebula 32 vs. Osprey Tropos 32: which should you pack?

The **Osprey Nebula 32** carries the same capacity as the **Osprey Tropos 32** (32L vs. 32L), while the **Osprey Nebula 32** is the lighter pack at 1kg (vs. 1.3kg). For carry-on flexibility, the **Osprey Tropos 32** fits 14% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Osprey Nebula 32; if you want to travel lighter, the Osprey Nebula 32 is the better call.