Adjustable Fit: Designed to comfortably fit head sizes ranging from 57cm to 62cm, ensuring a secure and personalized fit for unisex adults. Lightweight Protection: Weighing just 275g, this RockBros helmet provides robust head protection without adding unnecessary weight, ideal for road cycling. Durable Materials: Constructed with a hardshell exterior made of PC and an EPS interior, offering excellent impact resistance and long-lasting durability. Versatile Features: Equipped with adjustable fitting, detachable peak, and visor, along with built-in reflectors and ventilation for enhanced comfort and safety during your rides. Designed for Cyclists: Suitable for both men and women, this unisex helmet is specifically tailored for road cycling, combining safety and style in one package.