The On Running Zero Cap is one of the lightest running cap on the market. The cap is constructed with recycled polyester that wicks away sweat efficiently and it is engineered to adapt to you. The easy-flip brims offer generous shade and the reflective details ensure you will be seen in the dark. 

Features: 

- Lightweight construction made with recycled polyester

- Durable tearing-resistant weave

- Sweat-wicking and fast-drying 

- High breathability 

- Adjustable clip pull closure 

Product Number: 333.01001