The FG-Jet is an Advanced Fiberglass Composite 3/4, an open-face helmet. This cutting-edge design features an inner, spring-loaded sun shield with a one-touch release. The FG-Jet has 3 shell sizes (XS/S, M/L, XL/XXL) for a superior fit. SilverCool® Interior keeps the rider cool and fresh with moisture-wicking, odor-free, and advanced silver antibacterial fabric that is removable and washable.