# On 5" Performance Shorts

**Brand:** ON
**Category:** Mode & vêtements
**Code (GTIN/SKU):** 7615537267197
**Canonical URL:** https://openreviews.io/en/reviews/on/on-5-performance-shorts-7615537267197

## Rating: 4.9/5 ★★★★★ — 10 reviews analyzed
_Confidence: high_

## At a glance

On 5" Performance Shorts reviews: 4.9/5 based on 10 analyzed reviews from 3 sites, updated October 12, 2026.

Praised: lightweight fabric and comfortable built-in brief.

10 reviews analyzed, all published on other sites.
Other sites: 3 sources, 10 reviews, average rating 4.9/5.
How we count reviews: https://openreviews.io/en/methodology

## AI summary

This 5-inch running short is designed to offer optimal freedom of movement thanks to its particularly lightweight and stretchy fabric. Appreciated by athletes during extensive testing, it stands out for its overall comfort and increased breathability during training sessions. Its built-in brief ensures excellent support while remaining breathable, while strategic perforations at the back help maintain constant coolness during physical effort.

## Strengths

- **Lightweight fabric** — The stretchy material offers a great sense of lightness and promotes complete freedom of movement.
- **Comfortable built-in brief** — The integrated liner provides optimal support while guaranteeing excellent breathability.
- **Targeted ventilation** — Perforations at the back of the shorts help dissipate heat and keep you cool.

## Frequently asked questions

- Does the built-in brief cause chafing?
- Is the fabric durable after multiple washes?
- Are there storage pockets for keys or a phone?
- Are these shorts suitable for marathons or very long distances?

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_Source: OpenReviews — https://openreviews.io/en/reviews/on/on-5-performance-shorts-7615537267197_