Product name:Cycling HelmetMaterial: ABSGrupo de edad: (adultos).Origen: CN (origen)Weight:380GSize:Head Circumference 55-62cm Internal Diameter 18*22CM Use:Cycling,Skating,Outside sportFeature:Buffer,shock absorption,Super light,Brim Can be Removable Note :1.Please allow 1-3cm as the error range for manual measure.2.The colors display will be a little difference because the different monitor and light, thank you for your understand!