Protect your hearing with Surefire EP4-MPR Sonic Defender Plus Earplugs, engineered for optimal comfort and clarity while offering superior sound protection. Designed to prevent Noise-Induced Hearing Loss (NIHL), these earplugs let you enjoy conversations in noisy environments without compromising your hearing.Featuring a unique triple-flanged stem, the EP4s deliver a Noise Reduction Rating (NRR) of 24 dB. This allows safe sound levels to penetrate the ear while blocking harmful noise above 85 dB. Their hypoallergenic, soft polymer ensures comfort for extended wear.Triple-Flanged Stem Earplugs24-dB Noise Reduction RatingSoft, Durable, Hypoallergenic PolymerLow-Profile DesignExperience the perfect balance of comfort and protection with Surefire EP4-MPR Sonic Defender Plus Earplugs.