Ear Muff Features: Low profile contoured cup Padded headband for comfortable fit Soft PVC ear pads Ultra-light weight Compact folding design Noise reducing rating, NRR 31dB ANSI S3.19 rated Safety Glasses Features: High grade Poiycarbonate lenses Exceeds ANSI 287.1-2003 High Impact Requirement UV - Ultimate Vision Ratcheting lens pitch adjustment Design allows air to flow freely Adjustable nose pad Ear Foam Features: Conforms to shape of ear Foam tips are ideal for louder environments Noise Reduction Rating - NRR 31DB