Walker's EXT Passive Folding Muffs have contoured cups with soft PVC ear pads and a padded headband for a comfortable fit. Their ultra lightweight and compact folding design make them even more comfortable to wear and easy to store. Provide 34dB noise reduction rating for hearing protection. NRR 34dB for extra protection Padded headband for comfortable fit Soft PVC ear pads Ultra-light weight Compact folding design ANSI S3.19 rated