Robust steel headband withstands demanding use, especially in tough environments Snap-in ear cushions make replacement quick and easy Padded foam headband delivers long-wearing comfort with minimal pressure on the head Three attenuation levels allow for targeted attenuation for a variety of applications Telescopic height adjustment remains fixed during use Delivers high degree of comfort; ideal for situations where compact earmuffs and reliable Noise-Blocking protection are required. NRR: 25