• Noise Reduction Rating (NRR) between 25–27 dB (depending on the attachment type)
• Low-profile cup design for improved compatibility with other personal protection equipment (PPE)
• High ratio of NRR to earcup depth
• 3M™ E-A-Rfit™ Dual-Ear Validation System testable
• Slow-recovery, high-density foam
• Replaceable ear cushions and foam liners (hygiene kit HYX4)