FORMULA CP HELMET- Opt for the absolute in total head protection with Fly Racing's Formula Helmets. The Formula's Adaptive Impact System (AIS) whose high-performance ecosystem of structural designs and energy mitigating material - including RHEON, a leading-edge viscoelastic material - is fine-tuned to greatly improve impact managemant over traditional helmets. Enjoy elevated defense against a wider range of impacts when you ride with a Formula.