The Standard Hearing Protection Shooting muffs feature a Noise Reduction Rating (NRR) of 23dB, providing optimum protection. The muffs feature foam cushioned ear pads with a flexible and adjustable head strap. Adjustable fit, sized to fit most. May be used for indoor or outdoor use. Built with a compact and foldable design. Lightweight and easy to transport or store. Model Number: 2284 Flexible & adjustable head strap 23 nrr rating Foam cushioned ear pads Size: Adult Color: Black