Description:Material: EPS+ PCApplicable head circumference (CM): 58-61Whether integrated: yesProduct matching: hat brimProduct size (CM): 27*21*14Specifications:1. Aerodynamic design: ventilation and ventilation, reduce wind resistance, ensure comfortable ventilation of the head, which helps to improve speed and maintain cool.2. Removable and washable3. Safety protection: the front of the helmet has a brim, which has excellent shading effect4. Adjustable head circumference, comfortable to wearPackage Included:1*helmetNotes:The product may have an error of 1-2cm,and the color may look a little different from the picture,pls understand.