Stay safe while cycling with the Ultra-light Safety Sports Bike Helmet. This lightweight integrally-molded bicycle helmet is made of EPS, ensuring high density, durability, and comfort. With 18 vents, it brings cool air in and flushes warm air out, providing excellent ventilation. The removable, protective, sweat absorption lining pad adds to the comfort and is easy to wash. The adjustable strap and adjuster allow for easy adjustment of the size of the head circumference. The Ultra-light Safety Sports Bike Helmet features an Advanced In-Mold polycarbonate shell and a shock-absorbing inner for added protection. It is designed with 18 vents to reduce air resistance and keep you cool, comfortable, and breathable during your rides. The fully adjustable straps and high-quality buckle ensure a secure fit. This helmet is perfect for riding downtown, up a technical climb, and everything in between. It fits most adults with a head circumference of 57~62cm. The Ultra-light Safety Sports Bike Helmet is available in a variety of colors, including red, blue, black, orange, red wine, dark blue, light green, yellow, and pink. It weighs approximately 200g and comes with a wind tunnel of 18 vents. The package includes 1 x Helmet. Please note that the actual color of the item may vary slightly from the pictures due to monitor differences. Make sure to compare the detail sizes with yours and allow for a 1-3cm error due to manual measurement. If you have any problems with the product, please contact us before leaving negative feedback. Thank you for your understanding. Key Features: Lightweight integrally-molded design Durable and comfortable 18 vents for excellent ventilation Removable, washable sweat absorption lining pad Adjustable strap for easy size adjustment Advanced In-Mold polycarbonate shell for added protection Fully adjustable straps and high-quality buckle Fits most adults (57~62cm Head Circumference)