bicycles helmets 1,in-mold technique 2,L size,dull polish 3,39 air vents,good ... ,factory direct price Bicycles Helmets (39 air vents,in-mold technique) Name 39 Air Vents In-Mold Bicycles HelmetsModel TK-S032Color ... ,CE certification;39 air vents, good ventilateBuilt-in in-mold technique , the cover is very goodfasten elastic could adjust, sweat absorption ...