| Size | UK | US Men's | US Women's | EU |
| Small | 2-4.5 | 4-6.5 | 34-37 | |
| Medium | 5-7.5 | 6-8.5 | 7-9.5 | 38-42 |
| Large | 8-11 | 9-12 | 10-13 | 43-46 |
| X-Large | 11.5-14.5 | 12.5-15.5 | 47-51 |
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The featherlight, fast-drying running hat for hard-working protection whatever weather you run in. Laser-cut ventilation helps you keep a cool head.
New laser cut ventilation technology provides high-performance protection, while being feather light and fast-drying. Basically - whatever weather you run in, you're covered.
Made with tear proof woven fabrics, ultra-soft sweatbands, clip-pull sizing and finished with hand-detailing, the Lightweight Cap is in a field of its own. For protection, for ventilation, for feel, this running hat is without rival.
For low-key style that’s at home on the streets and sports field, the On Lightweight Cap comes out on top. Tearproof fabrics and cutting-edge tech means high-performance protection in a breathable, quick-drying, feather-light frame. Having benefited from years of research and testing, the cap is equipped for searing sunshine and sudden downpours; stay covered whatever the weather.
Product code: 301.00017
We offer the following delivery options for all UK orders:
Free Delivery 1-2 Working Days. Orders over £50
Standard Delivery £2.95 (1-2 Working Days) - Orders under £50
Next Day Delivery £4.95 (orders placed before 3pm Mon-Fri)
You have 28 calendar days to return the item to us. To be eligible for a return, your item must be in the original packing, unused and in the same condition that you received it. Please see our returns page for further information.