The STIHL TIMBERSPORTS® hearing protector has a Noise Reduction Rating (NRR) of 29 decibels. It features headband-style hearing protection with replaceable cushions for comfort. These noise-reduction ear muffs are suitable for higher levels of noise, especially noise dominated by low frequencies. The telescopic size adjustment is designed to give the user a perfect fit every time and the visor integration feature makes it easy to pair with face protection. This special edition of the STIHL Pro Mark™ NRR 29 chainsaw hearing protection features an all-black design and the STIHL TIMBERSPORTS® logo.