A suitable choice for environments with substantial industrial noise or construction machinery, like airports and agricultural work. Soft wide cushions helps reduce pressure around the ears and improves comfort and wearability. Large space inside cup helps reduce moisture and heat build-up. Easy to replace cushions and inserts helps keep them hygienically clean. P3E Helmet attachment for helmet mounting designed to fit a wide range of industrial safety helmets (see datasheet for further details). SNR: 30dB