Engineered for EnduranceBuilt to withstand dust, sweat, and water, these earmuffs are also helmet compatible, ensuring robust, all-day protection without the need for electronic amplification.SPECS SPECS SNR: 32 (Single Number Rating) Cleaning: Wipe down with alcohol wipes Durability: Dust Resistant Sweat Resistant Water Resistant Extras: Standard Foam Cup Included In the Box MX Earmuff 1 Pair of Charcoal Plates