Features: Women's bike helmets is breathable, maintains you cool and dry. Combining the functionality of a bicycles helmets with the style of a sun hat, our product ensures both safety and fashion. The wide brim maintains safe during your riding. Perfect for school cycling, commuting, and riding. Our bike helmets sun hat comes with adjustable strap for a secure and comfortable fit. Specifications: Component: ABS Hat Circumference: about 58-60cm/22.83-23.62'' Color: 6 Kind Optional Package Includes: 1 Pc Cycling Helmets note: Please allow 1-3cm errors due to manual measurement. Due to difference betweeen different monitors,the picture may not reflect the actual color the item.