The Stilo Top Air system is designed for use with any helmet with full visor ST5, and the driver can cool air directly, but is also designed to ventilate the drivers scalp. The adjustable version allows the driver to steer and regulate the airflow as required. The holes in the top of the helmet and liner are left in the fresh air, designed and offer a refreshing and cooling effect on the scalp. Easy to install and almost zero weighing, this system is designed for use in high level sports.