Walker's Passive Advanced Protection Passive Earmuffs - Walker's Advanced Protection Passive Muffs feature colored contoured cups with black accents. Soft, PVC ear pads and a padded headband allow for a comfortable fit. These ultra-light weight earmuffs have a compact, folding design. They are ANSI S3.19 Rated with a 26NRR. Included are 32 NRR foam plugs.