# On Running Ultra Jacket

**Brand:** ON
**Category:** Sport & fitness
**Code (GTIN/SKU):** 7615537309088
**Canonical URL:** https://openreviews.io/en/reviews/on/on-running-ultra-jacket-7615537309088

## Rating: 4.8/5 ★★★★★ — 128 reviews analyzed
_Confidence: high_

## At a glance

On Running Ultra Jacket reviews: 4.8/5 based on 128 analyzed reviews from 2 sites, updated October 12, 2026.

Praised: absolute lightness and excellent breathability. Criticized: very high price.

128 reviews analyzed, all published on other sites.
Other sites: 2 sources, 128 reviews, average rating 4.8/5.
How we count reviews: https://openreviews.io/en/methodology

## AI summary

This ultra-lightweight men's trail running jacket stands out for its featherweight of around 100 grams and its ability to effectively block the wind while remaining waterproof. Athletes particularly appreciate its exceptional breathability, which prevents any feeling of suffocation during intense efforts. However, its very high recommended retail price of 270 euros is a major drawback, aiming this product primarily at demanding runners looking for absolute performance.

## Strengths

- **Absolute lightness** — At just 100 grams, you completely forget you are wearing it during your run.
- **Excellent breathability** — It avoids the greenhouse effect and effectively wicks away sweat during effort.
- **Compact storage** — The jacket packs down easily and directly into its hood for minimal bulk.

## Weaknesses

- **Very high price** — Its price tag of 270 euros represents a particularly significant investment.

## Frequently asked questions

- What is the exact weight of the jacket?
- Does the jacket protect effectively against rain?
- How do you store the jacket when not wearing it?
- Is the high price justified by its performance?

---
_Source: OpenReviews — https://openreviews.io/en/reviews/on/on-running-ultra-jacket-7615537309088_