Ultra-lightweight for prolonged usage—PLUS newly designed for even higher attenuation! QM24+ (NRR 25) is a three-position, ultra-lightweight ear muff. Weighs only 6 oz. for comfort during prolonged usage. The high visibility red cups and black band add style to an extremely functional ear muff. Supplied with an adjustable crown strap for a secure fit when worn behind the head or under the chin. Low-cost cushions are easily removed for replacement.