Manufactured in 100% T1000 carbon fibre, making it the lightest motorsport helmet in the Stilo range. The FIA8860-2010 standard is required on all World Championships and on certain international events and selected race series. This helmet is also the ultimate choice for a competitor that wants the best protection available, whether the 8860 standard is required for events or not.The ST5 8860 GT Zero is fitted with HANS posts and has an adjustable sunshade, and comes with an ST5 short visor. This helmet can also be converted into the Formula model with a long visor and a long visor fitting kit all of which come with this helmet as standard.Fitted with a Stilo microphone and a connection for earplugs, and with the built-in comm port it is much easier for radio connection during driver changes, There is an additional port on the opposite side of the helmet for a built-in drink system that is supplied with this model, which has a quick release connector and allows a drinks system to be fitted internally without modifying the helmet. With its built-in upper ventilation system, and when using the top air system which again comes with this helmet as a standard item, provides fresh air internally for the head and face which is vital in modern race cars.