Looking for the most effective and comfortable in-ear hearing protection? EP10 Sonic Defenders Ultra Max earplugs deliver, offering the highest level of hearing protection by SureFire - an impressive Noise Reduction Rating (NRR) of 30 dB. These ,full-block, earplugs feature soft memory-foam Comply Canal Tips that seal in the ear canal, blocking out potentially harmful noises and ensuring all-day comfort. They are an excellent choice for industrial, tactical, recreational, and everyday use where maximum protection from continuous noise is needed and hearing ambient sounds or conversations isn't a priority. For affordable, reusable, non-electronic hearing protection that offers maximum protection, comfort, and retention, EP10 Sonic Defenders Ultra Max is hard to beat.