---
url: "https://onebag.travel/compare/0tetq72hrx/osprey-nebula-32/2i4v9smz3p/rei-co-op-ruckpack-28/"
title: "Osprey Nebula 32 vs REI Co-op Ruckpack 28 - One Bag Travel"
description: "Osprey Nebula 32 vs REI Co-op Ruckpack 28: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/0tetq72hrx/osprey-nebula-32/2i4v9smz3p/rei-co-op-ruckpack-28/"
---
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3.  Osprey Nebula 32 vs. REI Co-op Ruckpack 28

# Osprey Nebula 32 vs. REI Co-op Ruckpack 28

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 | REI Co-op Ruckpack 28 |
| --- | --- | --- |
| Storage |
| 4 | Compression | 2 |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| top | Passport | top |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| removable | Hip Belt | removable |
| Y | Sternum Strap | Y |
| Inside |
| 16in | Laptop | 15in |
| 3 | Main Compartments | 3 |
| Y | Organizer | Y |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | Y |
| 2, side | Water Bottle Holder | 2, side |
| Y | Water Resistant | Y |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>420D recycled nylon, PFAS-free DWR</td><td>Recycled nylon shell frame: Rigid foam</td></tr></tbody></table>

## [REI Co-op Ruckpack 28](https://onebag.travel/carryon/2i4v9smz3p/rei-co-op-ruckpack-28/)

by [REI Co-op](https://onebag.travel/carryons/?brands=REI Co-op)

![Front facing view of the REI Co-op Ruckpack 28](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1601602611/carryons/reiruckpack_zzj6lp.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>0.8 kg</td></tr><tr><td>Dimensions</td><td>50×28×23 cm</td></tr><tr><td>Airline fit</td><td>72%</td></tr><tr><td>Price</td><td>$130</td></tr></tbody></table>

## Key differences between the Osprey Nebula 32 and REI Co-op Ruckpack 28

-   **Compression straps:** 4 on the Osprey Nebula 32; 2 on the REI Co-op Ruckpack 28.
-   **Laptop sleeve:** 16in on the Osprey Nebula 32; 15in on the REI Co-op Ruckpack 28.
-   **Rain cover:** No on the Osprey Nebula 32; Yes on the REI Co-op Ruckpack 28.

Both have: passport pocket, backpack straps, hip belt, sternum strap, built-in organizer, 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. 25 accept both. 0 accept only the Osprey Nebula 32, and 112 accept only the REI Co-op Ruckpack 28.

### Only the REI Co-op Ruckpack 28 fits

Aegean Airlines, Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Asia, Air Astana, Air Canada, Air Caraibes, Air France, Air India, Air Macau, Air Mauritius, Air Nostrum, Air Wisconsin, AirAsiaX, Alaska Airlines, All Nipon Airways, Allegiant Air, American Airlines, ANA, Atlas Global, Austrian, Avianca , Azerbaijan Airlines, Bahamasair, Bangkok Airways, Biman Bangladesh, Boliviana de Aviacion, British Airways, Brussels Airlines, Cambodia Angkor Air, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, CommutAir, Conviasa, Copa Airlines, Czech Airlines, Delta Airlines, Dragonair, EL AL, Ethiopian Airlines, Etihad Airways, Eurowings, EVA Air, Fiji Airways, Finnair, Flair Air, Frontier Airlines, Garuda Indonesia, Gol Linhas Aereas, Great Lakes Airlines, Hawaiian Airlines, Hong Kong Airlines, Iberia, Indigo, Interjet, Iran Air, Iran Aseman Air, Island Air, Japan Airlines, Jet Airways, Jet2, jetBlue Airways, Jetstar Airways, Jetstar Asia, Kenya Airways, KLM, Kulula, Kuwait Air, LATAM , LOT Polish, Lufthansa, Mahan Air, Malaysia Airlines, Mango, Mesa Airlines, Middle East Airlines, Monarch Airlines, Norwegian, Oman Air, Onur Air, Peach, PenAir, Porter Airlines, Qantas Airways, Qatar Airways, Republic Airways, Royal Jordanian, SAS Scandinavian, Scoot, Sky Airlines, Skywest, Inc., South African Airways, Southwest Airlines, Spirit Airlines, SriLankan Airlines, Sun Country, Swiss Int'l Air Lines, Thai Airways, Tiger Airways, Trans States, Travel Service Airlines, Turkish Airlines, United Airlines, Uzbekistan Air, Vietnam Airlines, Virgin Atlantic, WestJet, WOW Airlines.

## Osprey Nebula 32 vs. REI Co-op Ruckpack 28: which should you pack?

The **Osprey Nebula 32** carries 4L more than the **REI Co-op Ruckpack 28** (32L vs. 28L), while the **REI Co-op Ruckpack 28** is the lighter pack at 0.8kg (vs. 1kg). For carry-on flexibility, the **REI Co-op Ruckpack 28** fits 72% 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 REI Co-op Ruckpack 28 is the better call.