open face helmet 1.ABS SHELL; 2.SHARP AIR VENT SYSTEM; 3.HIGH DENSITY EPS; 4.OEM. Open face helmet 802 specification descrption: ... density EPS inner,high energy absorbing & shockroof4.Comfortable,Removable and washable inning5.Sharp top ventilation7.Anit-scratch shield8.Quick release ... and Double D ring to be chosen10.Homologation:DOT11.Size:XS,S,M,L,XL"Double rivet joint" ABS DOT Open Face Helmet ...