Properties: This road bike helmet is made of high - density EPS foam with One - Mode technology and can demonstrate eent performance during long - term use. It is ideal for commuters or bike hobbyists. ROCKBROS Bicycle Helmet Integrated with Removable Magnetic Visor 57 - 62CM Specifications: Brand: ROCKBROS Material: PC shell + EPS foam Head circumference: 57 - 62cm Weight: 281g Colors: Black Red, Black Yellow, Black, Titanium, Blue, Purple About ROCKBROS ROCKBROS is an original brand founded by cycg enthusiasts. The goal of ROCKBROS is to offer high - quality products at an affordable price to every customer who loves cycg and outdoor sports. With a removable brim Multiple uses for different cycg environments provide you with the best cycg experience. Magnetic visor The unique visor design perfectly blocks the sun and dust from your face. The removable visor can be easily attached to and removed from the helmet. Adjustable circumferences 57 - 62 CM The circumference can be adjusted to different head sizes from 57 - 62 cm using the button on the back. Removable inner ing The inner ing with a soft surface is very comfortable. And it is removable and washable. Wearing comfort The chin guard and the adjustable strap provide you with more comfort.