On Running - Performance Athletic Wear
Swiss performance sportswear brand focused on innovative running gear and athletic clothing.
International Size Conversion Chart
| UK | US | EU | Chest (inches) |
|---|---|---|---|
| S | S | 46 | 36-38 |
| M | M | 48 | 38-40 |
| L | L | 50 | 40-42 |
ON
On
Performance athletic clothing and running gear brand
Sizing Information
General Fit
On sizing tends to follow standard UK sizing. However, we recommend checking the specific size chart for each item.
Fit Recommendations
- Check product-specific size charts when available
- Read customer reviews for fit feedback
- Consider the item type (slim fit, regular fit, etc.)
- When in doubt, contact customer service