Colour: Grey/red. Material: ABS cups/stainless steel wire. Pack Quantity: 10. Product Type: Ear defenders. Signal to Noise Ratio (SNR) dB: 36. Standard Noise Reduction (SNR) : 36. Type: Ear defender.The Sonis range has been designed with a traffic light colour code for easy identification. Materials have been chosend for both performance and comfort for extended period of times. Steel arms are adjustable. The position of the cups can be tilted and ajusted for utlimum comfort and fit, also offering even distribution of comfort. Headband is made of TPE, easy to wipe clean. Compatible with the EVO2, EVO3 and EVOLite helmet ranges on pages - .