JSP Sonis Ear Defender with Helmet Attachment, 31dB

The JSP Sonis® range has been stylishly designed with a traffic light colour code for easy identification. Materials have been chosen for both performance and comfort for extended periods of use. It is designed by the JSP R&D team and developed with a leading UK acoustic engineering research facility, The Sonis® range of helmet mounted ear defenders peaks at an unbeaten 36 SNR.

Conforms to EN 352-3
SNR 31
Adjustable Steel Arms