The DEWALT Interceptor Earmuff is a lightweight earmuff with unmatched performance providing maximum hearing protection. This high performance earmuff offers excellent noise reduction rating of 29 with maximum comfort. An adjustable moisture wicking headband moves moisture away while providing cool comfort. The compact folding feature allows for easy storage and keeps dust and debris out of the earcups. They have cushion padding on earcups to provide maximum protection from noise and maximum comfort. NRR 29 dB