The Reaction Lo-Profile Shooting Muff & Glasses Combo features a shooting muff with Noise Reduction Rating (NRR) of 26dB that meets ANSI S3.19 and CE352 requirements. The low profile cups fold down easily for storage. The shooting glasses feature ANSI Z87+ high velocity impact resistance lenses with anti-scratch coating and a non-slip rubber noise piece in a wrap around frame for a wide field of vision.