---
url: "https://onebag.travel/compare/e5knzdtvc9/fjallraven-rucksack-no-21-medium/odexfmh1ix/cotopaxi-nazca-24l/"
title: "Fjallraven Rucksack No. 21 Medium vs Cotopaxi Nazca 24L"
description: "Fjallraven Rucksack No. 21 Medium vs Cotopaxi Nazca 24L: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/e5knzdtvc9/fjallraven-rucksack-no-21-medium/odexfmh1ix/cotopaxi-nazca-24l/"
---
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3.  Fjallraven Rucksack No. 21 Medium vs. Cotopaxi Nazca 24L

# Fjallraven Rucksack No. 21 Medium vs. Cotopaxi Nazca 24L

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

## [Fjallraven Rucksack No. 21 Medium](https://onebag.travel/carryon/e5knzdtvc9/fjallraven-rucksack-no-21-medium/)

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

![Front facing view of the Fjallraven Rucksack No. 21 Medium](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1624459069/carryons/Fjallraven_Rucksack_No._21_Medium_jvbbap.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>20 L</td></tr><tr><td>Weight</td><td>0.96 kg</td></tr><tr><td>Dimensions</td><td>44×28×13 cm</td></tr><tr><td>Airline fit</td><td>96%</td></tr><tr><td>Price</td><td>$180</td></tr></tbody></table>

## Feature by feature

| Fjallraven Rucksack No. 21 Medium | Feature | Cotopaxi Nazca 24L |
| --- | --- | --- |
| Storage |
| N | Compression | N |
| None | Expanded Capacity | None |
| 3 | Opening | 1 |
| N | Passport | N |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| N | Hip Belt | N |
| Y | Sternum Strap | Y |
| Inside |
| 15in | Laptop | 15in |
| 1 | Main Compartments | 1 |
| N | Organizer | N |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| 2 | Water Bottle Holder | N |
| Y | Water Resistant | Y |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>G-1000® HeavyDuty Eco: 65% polyester, 35% cotton</td><td>630D nylon/cotton canvas</td></tr></tbody></table>

## [Cotopaxi Nazca 24L](https://onebag.travel/carryon/odexfmh1ix/cotopaxi-nazca-24l/)

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

![Front facing view of the Cotopaxi Nazca 24L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1619826301/carryons/Cotopaxi_Nazca_24L_wfx0x4.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>1.33 kg</td></tr><tr><td>Dimensions</td><td>50×27×14 cm</td></tr><tr><td>Airline fit</td><td>92%</td></tr><tr><td>Price</td><td>$80</td></tr></tbody></table>

## Key differences between the Fjallraven Rucksack No. 21 Medium and Cotopaxi Nazca 24L

-   **Opening:** Top flap on the Fjallraven Rucksack No. 21 Medium; Clamshell on the Cotopaxi Nazca 24L.
-   **Water bottle pockets:** 2 on the Fjallraven Rucksack No. 21 Medium; No on the Cotopaxi Nazca 24L.

Both have: backpack straps, sternum strap, laptop sleeve, water resistant.

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

We checked both bags against the carry-on size limits of 189 airlines. 174 accept both. 7 accept only the Fjallraven Rucksack No. 21 Medium, and 0 accept only the Cotopaxi Nazca 24L.

### Only the Fjallraven Rucksack No. 21 Medium fits

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

## Fjallraven Rucksack No. 21 Medium vs. Cotopaxi Nazca 24L: which should you pack?

The **Cotopaxi Nazca 24L** carries 4L more than the **Fjallraven Rucksack No. 21 Medium** (20L vs. 24L), while the **Fjallraven Rucksack No. 21 Medium** is the lighter pack at 0.96kg (vs. 1.33kg). For carry-on flexibility, the **Fjallraven Rucksack No. 21 Medium** fits 96% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Cotopaxi Nazca 24L; if you want to travel lighter, the Fjallraven Rucksack No. 21 Medium is the better call.