Brand: CAIRBULLModel: SUPERCROSSTreatment process: full water label treatment (non-ordinary stickers), more brand-gradeProduct name: All-terrain AM/XC/OFF-ROAD mountain bike riding helmetMaterial: PC+EPSColor: 9 colors, as shownSize: M(54-58CM); L(58-62CM)Weight: M: 350g; L: 380gVents: 25Inner width: M: 17CM; L: 18cmAccessories: Detachable large sun visor, adjustable angle up and down