---
url: "https://onebag.travel/compare/rupeofh0ul/exped-impulse-30/wnfolw37xn/ortlieb-atrack-st/"
title: "Exped Impulse 30 vs Ortlieb Atrack ST - One Bag Travel"
description: "Exped Impulse 30 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/rupeofh0ul/exped-impulse-30/wnfolw37xn/ortlieb-atrack-st/"
---
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2.  [Carry-On Travel Backpacks](https://onebag.travel/carryons/)
3.  Exped Impulse 30 vs. Ortlieb Atrack ST

# Exped Impulse 30 vs. Ortlieb Atrack ST

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

## [Exped Impulse 30](https://onebag.travel/carryon/rupeofh0ul/exped-impulse-30/)

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

![Front facing view of the Exped Impulse 30](https://res.cloudinary.com/obt/image/upload/c_fill,w_400/v1623680941/carryons/Exped_Impulse_30_iz5hle.webp)

<table class="table table-sm cmp-spec mt-2"><tbody><tr><td>Capacity</td><td>30 L</td></tr><tr><td>Weight</td><td>0 kg</td></tr><tr><td>Dimensions</td><td>55×30×21 cm</td></tr><tr><td>Airline fit</td><td>69%</td></tr><tr><td>Price</td><td>$159</td></tr></tbody></table>

## Feature by feature

| Exped Impulse 30 | 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 |
| Y | Sternum Strap | Y |
| Inside |
| N | Laptop | N |
| 1 | Main Compartments | 1 |
| N | Organizer |  |
| 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>210 D Robic HD Ripstop Nylon Carbonate PU, 2'500 mm water column</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 Exped Impulse 30 and Ortlieb Atrack ST

-   **Hip belt:** Removable on the Exped Impulse 30; Yes on the Ortlieb Atrack ST.

Both have: compression straps, 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. 50 accept both. 80 accept only the Exped Impulse 30, and 1 accept only the Ortlieb Atrack ST.

### Only the Exped Impulse 30 fits

Aer Lingus, Aeroflot, Aerolineas Argentinas, Aeromexico, Air Asia, Air Canada, Air Caraibes, Air France, Air India, Air Macau, Air Mauritius, Air Wisconsin, AirAsiaX, Alaska Airlines, All Nipon Airways, Allegiant Air, American Airlines, ANA, Austrian, Avianca , Azerbaijan Airlines, Bahamasair, Bangkok Airways, Biman Bangladesh, Boliviana de Aviacion, Brussels Airlines, Cambodia Angkor Air, Cathay Pacific, Cayman Airways, Cebu Pacific, China Airlines, CommutAir, Czech Airlines, Delta Airlines, Dragonair, Ethiopian Airlines, Eurowings, EVA Air, Fiji Airways, Flair Air, Garuda Indonesia, Gol Linhas Aereas, Hawaiian Airlines, Hong Kong Airlines, Iberia, Indigo, Interjet, Iran Air, Japan Airlines, Jet Airways, jetBlue Airways, Jetstar Airways, Jetstar Asia, Kenya Airways, KLM, Kulula, LATAM , LOT Polish, Lufthansa, Mahan Air, Malaysia Airlines, Mango, Mesa Airlines, Norwegian, Pakistan International, Peach, Porter Airlines, Qantas Airways, Republic Airways, SAS Scandinavian, Sky Airlines, Skywest, Inc., South African Airways, SriLankan Airlines, Swiss Int'l Air Lines, Trans States, Turkish Airlines, United Airlines, Vietnam Airlines, Virgin Atlantic.

### Only the Ortlieb Atrack ST fits

Great Lakes Airlines.

## Exped Impulse 30 vs. Ortlieb Atrack ST: which should you pack?

The **Exped Impulse 30** carries 5L more than the **Ortlieb Atrack ST** (30L vs. 25L), and the two are closely matched on weight. For carry-on flexibility, the **Exped Impulse 30** fits 69% of the airlines we track — the higher of the two. If you prioritise packing volume, choose the Exped Impulse 30; if you want to travel lighter, the Ortlieb Atrack ST is the better call.