Features1Lightweight, will not cause burden to your head during Cycle. 2ABS plastic outer surface and comfortable lining, waterproof and sweat-absorbent. 3Baseball cap design with longer brim to better shield your head from sunshine and rain. 4Universal size with adjustable buckle, fit for 55-62cm head circumference. 5Applicable to Cycle, riding, camping, climbing, touring etc.SpecificationThis baseball cap design helmet is made of high quality ABS material with waterproof outer surface and sweat-absorbent lining. Features:Lightweight, will not cause burden to your head during Cycle. ABS plastic outer surface and comfortable lining, waterproof and sweat-absorbent. Baseball cap design with longer brim to better shield your head from sunshine and rain. Universal size with adjustable buckle, fit for 55-62cm head circumference. Applicable to Cycle, riding, camping, climbing, touring etc. Specifications:Material: ABS, plastic Head Circumference: 55-62cm / 21.7-24.4in Color: Black / Black2 / White / Pink / Yellow / Red (Optional) Size: 28.3 * 20 * 12cm / 11.1 * 7.9 * 4.7in Weight: 550g / 1.2lb Package List:1 * HelmetPackage List1 * Helmet