The cushion-ribbed headband allows cool comfort all day long and the non-slip wire makes adjustments easy. The larger cup openings are designed to fit most ear sizes. Plus it features a sharp, cool look for increased compliance. Overmolded headband is durable for rugged wear over many shifts and does not have a seam that can split open over time. Lightweight wire frame allows easy cup adjustment, yet holds its position for lasting comfort. MX-6 features exclusive Moldex waffled cup foam for superior NRR protection suitable for most noisy environments. Independently tested to ANSI S3.19-1974.