Advanced Polycarbonate Shell. SilverCool Moisture Wicking Liner. Ready for Bluetooth communications: Built in recesses for ChatterBox XBi2-H and speakers. Single Button Chin bar/Face shield release: Open with one hand even with gloves on. One-Touch Integrated Sunshield: Smoke-tinted 3 stage adjustable Sunshield deploys quickly and easily (patent pending). RapinFire shield replacement system: Quick, Secure, Tool-less removal and installation.