---
url: "https://onebag.travel/compare/e5knzdtvc9/fjallraven-rucksack-no-21-medium/nhypc0uvvr/greenroom136-genesis/"
title: "Fjallraven Rucksack No. 21 Medium vs Greenroom136 Genesis"
description: "Fjallraven Rucksack No. 21 Medium vs Greenroom136 Genesis: 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/nhypc0uvvr/greenroom136-genesis/"
---
1.  [Home](https://onebag.travel/)
2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  Fjallraven Rucksack No. 21 Medium vs. Greenroom136 Genesis

# Fjallraven Rucksack No. 21 Medium vs. Greenroom136 Genesis

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 | Greenroom136 Genesis |
| --- | --- | --- |
| Storage |
| N | Compression | Y |
| None | Expanded Capacity | None |
| 3 | Opening | 3 |
| N | Passport | Y |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| N | Hip Belt | N |
| Y | Sternum Strap | Y |
| Inside |
| 15in | Laptop | 17in |
| 1 | Main Compartments | 1 |
| N | Organizer | N |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| 2 | Water Bottle Holder | 2 |
| 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>100% genuine, 1000 denier urethane coated Cordura nylon fabric for outer shell. 100% genuine, 420 denier urethane coated Oxford nylon fabric for inner shell.</td></tr></tbody></table>

## [Greenroom136 Genesis](https://onebag.travel/carryon/nhypc0uvvr/greenroom136-genesis/)

by [Greenroom136](https://onebag.travel/carryons/?brands=Greenroom136)

![Front facing view of the Greenroom136 Genesis](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1625668155/carryons/Greenroom136_Genesis_mo83yg.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>1.8 kg</td></tr><tr><td>Dimensions</td><td>44×32×14 cm</td></tr><tr><td>Airline fit</td><td>95%</td></tr><tr><td>Price</td><td>$156</td></tr></tbody></table>

## Key differences between the Fjallraven Rucksack No. 21 Medium and Greenroom136 Genesis

-   **Compression straps:** No on the Fjallraven Rucksack No. 21 Medium; Yes on the Greenroom136 Genesis.
-   **Passport pocket:** No on the Fjallraven Rucksack No. 21 Medium; Yes on the Greenroom136 Genesis.
-   **Laptop sleeve:** 15in on the Fjallraven Rucksack No. 21 Medium; 17in on the Greenroom136 Genesis.

Both have: backpack straps, sternum strap, 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. 179 accept both. 2 accept only the Fjallraven Rucksack No. 21 Medium, and 0 accept only the Greenroom136 Genesis.

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

Air Niugini, Great Lakes Airlines.

## Fjallraven Rucksack No. 21 Medium vs. Greenroom136 Genesis: which should you pack?

The **Fjallraven Rucksack No. 21 Medium** carries the same capacity as the **Greenroom136 Genesis** (20L vs. 20L), while the **Fjallraven Rucksack No. 21 Medium** is the lighter pack at 0.96kg (vs. 1.8kg). 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 Fjallraven Rucksack No. 21 Medium; if you want to travel lighter, the Fjallraven Rucksack No. 21 Medium is the better call.