---
url: "https://onebag.travel/compare/2b8htl0u8b/patagonia-black-hole-pack-25l/iafupe4rrv/fjallraven-singi-20/"
title: "Patagonia Black Hole® Pack 25L vs Fjallraven Singi 20"
description: "Patagonia Black Hole® Pack 25L 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/2b8htl0u8b/patagonia-black-hole-pack-25l/iafupe4rrv/fjallraven-singi-20/"
---
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3.  Patagonia Black Hole® Pack 25L vs. Fjallraven Singi 20

# Patagonia Black Hole® Pack 25L vs. Fjallraven Singi 20

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

## [Patagonia Black Hole® Pack 25L](https://onebag.travel/carryon/2b8htl0u8b/patagonia-black-hole-pack-25l/)

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

![Front facing view of the Patagonia Black Hole® Pack 25L](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1632922359/carryons/Patagonia_Black_Hole_Pack_25L_nxbgmj.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>25 L</td></tr><tr><td>Weight</td><td>0.6 kg</td></tr><tr><td>Dimensions</td><td>48×28×15 cm</td></tr><tr><td>Airline fit</td><td>93%</td></tr><tr><td>Price</td><td>$149</td></tr></tbody></table>

## Feature by feature

| Patagonia Black Hole® Pack 25L | Feature | Fjallraven Singi 20 |
| --- | --- | --- |
| Storage |
| N | Compression | 2 |
| None | Expanded Capacity | None |
| 4 | Opening | 4 |
| top | Passport | top |
| Y | 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 |
| 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>8.7-oz 300-denier 100% postconsumer recycled polyester ripstop with a TPU-film laminate</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 Patagonia Black Hole® Pack 25L and Fjallraven Singi 20

-   **Compression straps:** No on the Patagonia Black Hole® Pack 25L; 2 on the Fjallraven Singi 20.
-   **Luggage passthrough:** Yes on the Patagonia Black Hole® Pack 25L; No on the Fjallraven Singi 20.
-   **Sternum strap:** Yes on the Patagonia Black Hole® Pack 25L; Removable on the Fjallraven Singi 20.
-   **Laptop sleeve:** 15in on the Patagonia Black Hole® Pack 25L; 13in on the Fjallraven Singi 20.

Both have: passport pocket, backpack straps, 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. 176 accept both. 0 accept only the Patagonia Black Hole® Pack 25L, and 5 accept only the Fjallraven Singi 20.

### Only the Fjallraven Singi 20 fits

Air Tahiti, American Eagle, easyJet, Gulf Air, Ravn Alaska.

## Patagonia Black Hole® Pack 25L vs. Fjallraven Singi 20: which should you pack?

The **Patagonia Black Hole® Pack 25L** carries 5L more than the **Fjallraven Singi 20** (25L vs. 20L), while the **Patagonia Black Hole® Pack 25L** is the lighter pack at 0.6kg (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 Patagonia Black Hole® Pack 25L; if you want to travel lighter, the Patagonia Black Hole® Pack 25L is the better call.