The 3M Peltor X1a Peltor X1 Over-The-Head Ear Muffs offer passive noise reduction up to 22 dB NRR. These ear muffs, designed as personal protective equipment, are lightweight at 0.5500 lbs and come in a sleek black and green color combination. With an over-the-head design and comfortable fit, they are ideal for use in various business and industrial settings to ensure the safety and well-being of employees. The durable construction and high-quality materials make these ear muffs a reliable choice for those seeking reliable hearing protection.