Special Aeon Thrasher Helmet 15 Vents Multi-sport Trinity Adult Hats Professional Cycling Helmet with Air Attack Eye Shield Helmet Visor SAFER THAN ORDINARY HELMETS.This kind of helmet both on shell and foam layer made of high quality materials .Which means the helmet promise your head's safe.and the helmet with goggles that protect you eyes away from wind and sand. DURABLE AND FASHIONABLE.Adult bike helmet with Dual Materials and adjustable regulator design.and this kind of helmet is special and unique. COOL ,AWESOME.PROFESSIONAL DESIGN.The 15 vents integrated flow vents to keep rider cool.And Moisture-wicking pads keep rider's head dry. EASY-TO -ADJUST.The liner and dial of the helmet is adjustment within the twist,you can adjust the head circumference to fit you size. MULTI-PURPOSE.It protect your head safe while cycling with this bike helmet,perfect for on-road and off-road use.