3M Peltor Optime 1 Helmet Attachment Yellow 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, Large space inside cup helps reduce moisture and heat build-up SNR=26dB, H=32dB, M=23dB, L=15dB
