---
url: "https://onebag.travel/compare/1gcfzf4cg2/mystery-ranch-in-out/iafupe4rrv/fjallraven-singi-20/"
title: "Mystery Ranch In & Out vs Fjallraven Singi 20"
description: "Mystery Ranch In & Out vs Fjallraven Singi 20: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/1gcfzf4cg2/mystery-ranch-in-out/iafupe4rrv/fjallraven-singi-20/"
---
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3.  Mystery Ranch In & Out vs. Fjallraven Singi 20

# Mystery Ranch In & Out vs. Fjallraven Singi 20

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

## [Mystery Ranch In & Out](https://onebag.travel/carryon/1gcfzf4cg2/mystery-ranch-in-out/)

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

![Front facing view of the Mystery Ranch In & Out](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/carryons/hgi9cxc2j2291foxfdf3)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>19 L</td></tr><tr><td>Weight</td><td>0.4 kg</td></tr><tr><td>Dimensions</td><td>51×33×23 cm</td></tr><tr><td>Airline fit</td><td>71%</td></tr><tr><td>Price</td><td>$90</td></tr></tbody></table>

## Feature by feature

| Mystery Ranch In & Out | Feature | Fjallraven Singi 20 |
| --- | --- | --- |
| Storage |
| 4 | Compression | 2 |
| None | Expanded Capacity | None |
| 4 | Opening | 4 |
| top | Passport | top |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| N | Hip Belt | N |
| Y | Sternum Strap | removable |
| Inside |
| 15in | Laptop | 13in |
| 3 | Main Compartments | 3 |
| N | Organizer | N |
| Outside |
| × | Hard Shell | × |
| N | Rain-fly | N |
| 1, side | Water Bottle Holder | 2, side |
| N | Water Resistant | Y |

<table class="cmp-material"><tbody><tr><td colspan="2">Material</td></tr><tr><td>100D Cordura MiniRip</td><td>100% polyester 600D (recycled)</td></tr></tbody></table>

## [Fjallraven Singi 20](https://onebag.travel/carryon/iafupe4rrv/fjallraven-singi-20/)

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

![Front facing view of the Fjallraven Singi 20](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1624370043/carryons/Fjallraven_Singi_20_xz2as1.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>0.7 kg</td></tr><tr><td>Dimensions</td><td>43×28×16 cm</td></tr><tr><td>Airline fit</td><td>96%</td></tr><tr><td>Price</td><td>$85</td></tr></tbody></table>

## Key differences between the Mystery Ranch In & Out and Fjallraven Singi 20

-   **Compression straps:** 4 on the Mystery Ranch In & Out; 2 on the Fjallraven Singi 20.
-   **Sternum strap:** Yes on the Mystery Ranch In & Out; Removable on the Fjallraven Singi 20.
-   **Laptop sleeve:** 15in on the Mystery Ranch In & Out; 13in on the Fjallraven Singi 20.
-   **Water bottle pockets:** 1, side on the Mystery Ranch In & Out; 2, side on the Fjallraven Singi 20.
-   **Water resistant:** No on the Mystery Ranch In & Out; Yes on the Fjallraven Singi 20.

Both have: passport pocket, backpack straps.

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

We checked both bags against the carry-on size limits of 189 airlines. 134 accept both. 0 accept only the Mystery Ranch In & Out, and 47 accept only the Fjallraven Singi 20.

### Only the Fjallraven Singi 20 fits

Air Baltic, Air China, Air Malta, Air Niugini, Air Serbia, Air Seychelles, Air Tahiti, American Eagle, Asiana Airlines, ATA Airlines, Belavia, Blue Air, Bulgaria Air, China Eastern, easyJet, Emirates Airlines, Enter Air, Etihad Airways, flybe, Great Lakes Airlines, Gulf Air, Icelandair, InselAir, Juneyao Airlines, Liat Airlines, Luxair, Meridiana Fly, Nordwind Airlines, Pakistan International, Qatar Airways, Ravn Alaska, Regional Express, Royal Brunei Airlines, Ryanair, S7, Shandong Airlines, Shenzhen Airlines, Sun Express, TAP Air Portugal, TAROM, Tianjin Airlines (A320 & E190), TUI, Ukraine International, VIM Airlines (Closed), Virgin Australia, Volotea, Xiamen.

## Mystery Ranch In & Out vs. Fjallraven Singi 20: which should you pack?

The **Fjallraven Singi 20** carries 1L more than the **Mystery Ranch In & Out** (19L vs. 20L), while the **Mystery Ranch In & Out** is the lighter pack at 0.4kg (vs. 0.7kg). For carry-on flexibility, the **Fjallraven Singi 20** fits 96% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Fjallraven Singi 20; if you want to travel lighter, the Mystery Ranch In & Out is the better call.