XP Reactor offers you the most innovative sound filtering solution yet. You'll hear sound clearly and naturally- almost seems as if your ears aren't even plugged. Then when loud sounds hit your ears, the Dynamic Mesh Filtering System will automatically screen those sounds out protecting your hearing. You'll get 33 dB of noise reduction against loud impulse sounds while still maintaining normal hearing. You'll also have 16 dB NRR hearing protection against general loud sounds. Perfect for everyone who wants earplugs to hear normal sound while blocking out damaging loud sound at the same time. Perfect for outdoor and indoor activities of all types fitness, cycling, hiking, stadium events, tactical, auto racing, shooting, hunting, concerts, musicians, night clubs, industrial, construction, motorcycling and more.