DOT FMVSS No. 218 Approved Advanced polycarbonate shell is engineered to be lightweight, strong and maximize impact displacement Dual-density advanced multi-layer EPS provides efficient energy displacement EPS liner throughout entire chin bar provides additional protection KwikWick II liner fabric keeps you cool and dry in warm weather, warm in cool weather Four intake ports on the chin bar maximize air flow Two intake ports across the eyebrow allow cool air into the helmet and force unwanted hot air out of the two rear exhaust ports AirFit® Liner Inflation System features an inflatable cheek pad system for superior personalized fit Goggle eye port accommodates most brands of goggles and sizes and has a soft pliable rubber roost guard Aero-tuned visor’s aerodynamic design allows free flowing air through the visor while still blocking the intense sun from above Peak extender included to help further block the sun and elements when riding Double D-Ring retention system 5 Year Warranty