Factory Effex Yamaha Racing Flexfit Hat (Large/X-Large) (Black/Blue) They all ride at Factory Effex and they put that experience into every product they sell. Every Factory Effex product is created from passion and pride, built to be the best. It's the only way they know how to do it. Official Yamaha licensed product. FlexFit hat with embroidered logos and contrasting bill and crown piping.