---
url: "https://onebag.travel/compare/0apv0s48mi/mammut-nirvana-28/2p3vnffvw1/rei-co-op-commuter-pack/"
title: "Mammut Nirvana 28 vs REI Co-op Commuter Pack"
description: "Mammut Nirvana 28 vs REI Co-op Commuter Pack: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/0apv0s48mi/mammut-nirvana-28/2p3vnffvw1/rei-co-op-commuter-pack/"
---
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3.  Mammut Nirvana 28 vs. REI Co-op Commuter Pack

# Mammut Nirvana 28 vs. REI Co-op Commuter Pack

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

## [Mammut Nirvana 28](https://onebag.travel/carryon/0apv0s48mi/mammut-nirvana-28/)

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

![Front facing view of the Mammut Nirvana 28](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1788990381/carryons/mammut-nirvana-28-0apv0s48mi.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>1.1 kg</td></tr><tr><td>Dimensions</td><td>50×30×19 cm</td></tr><tr><td>Airline fit</td><td>92%</td></tr><tr><td>Price</td><td>$220</td></tr></tbody></table>

## Feature by feature

| Mammut Nirvana 28 | Feature | REI Co-op Commuter Pack |
| --- | --- | --- |
| Storage |
| 6 | Compression | 2 |
| None | Expanded Capacity | None |
| 1 | Opening | 1 |
| front | Passport | top |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| Y | Hip Belt | removable |
| Y | Sternum Strap | Y |
| Inside |
| N | Laptop | 15in |
| 3 | Main Compartments | 3 |
| N | Organizer | N |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| 2, side | Water Bottle Holder | 2, side |
| N | Water Resistant | N |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>90% Polyamide, 10% Polyester</td><td>100% recycled oxford nylon</td></tr></tbody></table>

## [REI Co-op Commuter Pack](https://onebag.travel/carryon/2p3vnffvw1/rei-co-op-commuter-pack/)

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

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>22 L</td></tr><tr><td>Weight</td><td>0.7 kg</td></tr><tr><td>Dimensions</td><td>43×27×16 cm</td></tr><tr><td>Airline fit</td><td>96%</td></tr><tr><td>Price</td><td>$90</td></tr></tbody></table>

## Key differences between the Mammut Nirvana 28 and REI Co-op Commuter Pack

-   **Compression straps:** 6 on the Mammut Nirvana 28; 2 on the REI Co-op Commuter Pack.
-   **Passport pocket:** Front on the Mammut Nirvana 28; Top on the REI Co-op Commuter Pack.
-   **Hip belt:** Yes on the Mammut Nirvana 28; Removable on the REI Co-op Commuter Pack.
-   **Laptop sleeve:** No on the Mammut Nirvana 28; 15in on the REI Co-op Commuter Pack.

Both have: backpack straps, sternum strap, 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. 173 accept both. 0 accept only the Mammut Nirvana 28, and 8 accept only the REI Co-op Commuter Pack.

### Only the REI Co-op Commuter Pack fits

Air Tahiti, American Eagle, easyJet, Great Lakes Airlines, Gulf Air, Ravn Alaska, Regional Express, Virgin Australia.

## Mammut Nirvana 28 vs. REI Co-op Commuter Pack: which should you pack?

The **Mammut Nirvana 28** carries 6L more than the **REI Co-op Commuter Pack** (28L vs. 22L), while the **REI Co-op Commuter Pack** is the lighter pack at 0.7kg (vs. 1.1kg). For carry-on flexibility, the **REI Co-op Commuter Pack** fits 96% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Mammut Nirvana 28; if you want to travel lighter, the REI Co-op Commuter Pack is the better call.