red helmet 1,in-mold technique 2,L size,sand ... blast 3,33 air vents,good ventilation ,270g 4,good quality with nice price Red ... HelmentName 270G bicycle red helmetModel TK-12P33Color red/white, red/black, blue/white, yellow/ ... TUV,CE certification;33 air vents, good ventilateBuilt-in in-mold technique , the cover is very goodfasten elastic ...