The Serenity Choice™ Motorsport Hearing Protection Plug is specifically designed for use in motorsport activities. Its unique design allows it to fit comfortably into the ear without catching on the helmet liner, while still allowing for clear speech to be heard. Fully machine washable to ensure continued performance.  Experience the thrill of motorsport without compromising on hearing protection with the Serenity Choice™ Motorsport Hearing Protection Plug. Tested to AU/NZ standards providing up to 22 dB (SLC 80) protection.