The Stilo ST5 GT ZERO 8860-2018 carbon helmet is the latest 'super helmet' specification from the FIA. In short, this is the highest specification helmet ever developed. As a development from the prior spec (FIA 8860-2010), the FIA has made some alterations: Two different specifications: - Standard and ABP - Open cockpit car, Closed cockpit car These helmets have been developed with the following improvements: - Increased energy absorption - Low lateral impact Stilo was the first manufacturer to reach this stringent standard and has sizes ranging from X-Small to 3X-Large readily available Included with your STILO helmet: - Stilo and HANS helmet bag - Ear cushions - HANS post anchors - One clear visor