Overview Reviews Product Description 3M PELTOR Optime 98 Earmuffs feature a stainless steel headband for consistent force and effective hearing protection. They are lightweight, comfortable and designed with ultra light liquid and foam filled earmuff cushions. Noise Reduction Rating (NRR)*: 23 dB. CSA Class A Fit can be verified with 3M E-A-Rfit Dual-Ear Validation System Replaceable ear cushions and foam liners (3M PELTOR Hygiene Kit HY52) 3M Safety Products Catalog Product Videos Custom Field Product Reviews Write a Review Write a Review × 3M Peltor® Optime® 98 Series Hard Hat Mounted Earmuffs H9P3E Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *