... design 5.15 air vents Adult Sport Helmet ITEM NO :OK-H31.Adult helmet 2.CE1078 certificater,approved by SGS ... visorColorbule,red,yellow,white,blackHelmet safety tips: *Wear the helmet flat atop your head, not tilted back at an ... angle *Make sure the helmet fits snugly and does not obstruct your field of vision ... and that the buckle stays fastened In-mold Helmet (OK-H3) The cheapest