154-1010970 Features: -Uniform headband pressure for all head sizes, providing better comfort for long-term wear. -Inner-ventilated headband minimizes pressure on the head, breathes easier in warm/humid climates. -Non-deforming outer headband withstands rough treatment in the toughest workplaces. -Quick-Click height adjustment remains fixed during wear. Product Type: -Ear Muffs. Type I: -Ear Muffs. Headband: -Yes. Noise Reduction Rating NNR: -30 db. Color: -Black. Quantity: -Single. Dimensions: Overall Product Weight: -0.59 Pounds.