---
url: "https://onebag.travel/compare/so63ztuvtw/fjallraven-kaipak-28/wnfolw37xn/ortlieb-atrack-st/"
title: "Fjallraven Kaipak 28 vs Ortlieb Atrack ST - One Bag Travel"
description: "Fjallraven Kaipak 28 vs Ortlieb Atrack ST: capacity, weight, dimensions and how many airlines accept each as a carry-on, side by side."
source: "https://onebag.travel/compare/so63ztuvtw/fjallraven-kaipak-28/wnfolw37xn/ortlieb-atrack-st/"
---
1.  [Home](https://onebag.travel/)
2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  Fjallraven Kaipak 28 vs. Ortlieb Atrack ST

# Fjallraven Kaipak 28 vs. Ortlieb Atrack ST

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

## [Fjallraven Kaipak 28](https://onebag.travel/carryon/so63ztuvtw/fjallraven-kaipak-28/)

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

![Front facing view of the Fjallraven Kaipak 28](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1624976409/carryons/Fjallraven_Kaipak_28_klj5ub.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>1.05 kg</td></tr><tr><td>Dimensions</td><td>57×28×21 cm</td></tr><tr><td>Airline fit</td><td>17%</td></tr><tr><td>Price</td><td>$150</td></tr></tbody></table>

## Feature by feature

| Fjallraven Kaipak 28 | Feature | Ortlieb Atrack ST |
| --- | --- | --- |
| Storage |
| Y | Compression | Y |
| None | Expanded Capacity | None |
| 4 | Opening | 4 |
| N | Passport | N |
| N | Passthrough | N |
| Carry |
| Y | Backpack | Y |
| removable | Hip Belt | Y |
| removable | Sternum Strap | Y |
| Inside |
| N | Laptop | N |
| 1 | Main Compartments | 1 |
|  | Organizer |  |
| Outside |
| × | Hard Shell | × |
| Y | 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 S: 65% polyester, 35% cotton 100% polyamide 500D</td><td>PS33</td></tr></tbody></table>

## [Ortlieb Atrack ST](https://onebag.travel/carryon/wnfolw37xn/ortlieb-atrack-st/)

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

![Front facing view of the Ortlieb Atrack ST](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1630938166/carryons/Atrack_ST_kabren.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>1.41 kg</td></tr><tr><td>Dimensions</td><td>56×26×25 cm</td></tr><tr><td>Airline fit</td><td>27%</td></tr><tr><td>Price</td><td>$250</td></tr></tbody></table>

## Key differences between the Fjallraven Kaipak 28 and Ortlieb Atrack ST

-   **Hip belt:** Removable on the Fjallraven Kaipak 28; Yes on the Ortlieb Atrack ST.
-   **Sternum strap:** Removable on the Fjallraven Kaipak 28; Yes on the Ortlieb Atrack ST.
-   **Rain cover:** Yes on the Fjallraven Kaipak 28; No on the Ortlieb Atrack ST.

Both have: compression straps, 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. 31 accept both. 1 accept only the Fjallraven Kaipak 28, and 20 accept only the Ortlieb Atrack ST.

### Only the Fjallraven Kaipak 28 fits

Cayman Airways.

### Only the Ortlieb Atrack ST fits

Aegean Airlines, Air Astana, Air Nostrum, Atlas Global, British Airways, Copa Airlines, EL AL, Finnair, Great Lakes Airlines, Iran Aseman Air, Jet2, Kuwait Air, Middle East Airlines, Monarch Airlines, Onur Air, Spirit Airlines, Thai Airways, Travel Service Airlines, Uzbekistan Air, WOW Airlines.

## Fjallraven Kaipak 28 vs. Ortlieb Atrack ST: which should you pack?

The **Fjallraven Kaipak 28** carries 3L more than the **Ortlieb Atrack ST** (28L vs. 25L), while the **Fjallraven Kaipak 28** is the lighter pack at 1.05kg (vs. 1.41kg). For carry-on flexibility, the **Ortlieb Atrack ST** fits 27% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Fjallraven Kaipak 28; if you want to travel lighter, the Fjallraven Kaipak 28 is the better call.