Product details: Product name: bicycle helmet Material: PC shell + EPS foam Lining: Silver ion lining + normal lining Buckle: FIDLOCK magnetic buckle Weight: approx. 260 g ± 30 g Colour: orange, white, purple, titanium, pink Head circumference: M (54-58 cm) / L ( 58-62 cm ) Attention: Titanium-coloured helmets are radium-coloured; White, pink and purple are all matt colours, while titanium and orange are shiny colours. Features: Unique design:The ROCKBROS bike helmet is made of PC+EPS material and offers a perfect combination of durability and protection. The aerodynamic design reduces air resistance and ensures a comfortable riding experience. Comfortable shock absorption: With its shock-absorbing construction, the bike helmet ensures effective absorption of shocks and offers you optimum protection while riding. Removable inner lining: The helmet has a removable inner lining consisting of a group of silver ion liners and a conventional inner lining. This allows for easy cleaning and ensures comfortable sweat absorption and breathability. Lightweight and pressure-relieving: With its lightweight design, the ROCKBROS bike helmet reduces pressure on your head and offers maximum comfort during long rides. FIDLOCK magnetic fastener: The helmet is equipped with an innovative FIDLOCK magnetic fastener, which enables quick and easy removal without compromising on safety. Trust ROCKBROS for your bike helmet and enjoy the perfect combination of protection and style. Choose the ROCKBROS bike helmet today and make a statement on the road!