NRR 22 dB - General purpose hearing protector sized for youth and smaller adults - Great for shooting hunting or other sporting events - Easily adjustable for a comfortable fit - Made in USA with globally sourced materials - Peltor� Sport Small Hearing Protector Pink - The Small Earmuff is easily adjustable for a comfortable fit. Sized for youth and smaller adults. With a noise reduction rating (NRR) of 22 dB these muffs are ideal for Range Use Hunting Sporting Events or any other loud environment where hearing protection is desired.