Reliable No-Fuss Hearing Protection – The MX PASSIVE Earmuff Protection delivers consistent noise attenuation with a simple durable design perfect for demanding work environments and outdoor tasks. – Engineered for Endurance – Built to withstand dust sweat and water these earmuffs are also helmet compatible ensuring robust all-day protection without the need for electronic amplification. – SPECS – SNR: 32 (Single Number Rating) – Cleaning: Wipe down with alcohol wipes – Durability: – Dust Resistant – Sweat Resistant – Water Resistant – Extras: Standard Foam Cup Included