High Impact ABS Material Shell. ISI Certified with IS no.: IS 4151:2015 and CM/L no.: 1650145. Metallic Quick release silent buckle. Scratch resistant & UV resistant. Visor in optical polycarbonate. 1 mouth vent, 1 back exhaust vents. For those of you who are looking for a helmet with no bling and are going in for the typical biker look, get a cliff helmet. It sets the record of being the lightest full faced helmet in production.