Fly Racing began as a manufacturer of motorcycle handlebars and helmets. Since then, the brand has quickly developed into one of the fastest growing powersports apparel brands in the market. Construction: Extended BioFoam® chassis designed for larger riders. The Revolutionary BioFoam® chassis attachment system eliminates injury-causing plastic rivets and utilizes soft plastics and TPR rubbers without high points that could injure in the event of an impact. Air channels molded into the BioFoam® allow hot air to escape.