Simpson Racing Viper Youth Racing HelmetS 56 cm - WhiteThe Simpson Viper Youth is an SFI 24. 1 approved helmet specifically designed for youth racers. With excellent fit for children, our Viper Youth provides a properly sized shell, SFI approval including impact protection, flammability resistant, removable cheek pads and removable crown padding so the helmet can grow with your child. Helmet ships with one clear face shield installed, additional face shields may be purchased separately.