Protect your ears with these 3M Peltor Optime 98 Earmuffs. They can attach to almost any professional hardhat. Featuring comfortable low-pressure bands, they come in a bright yellow color for visibility This pair of helmet-mounted ear muffs are lightweight and protect noise levels up to 98 dBA. CSA Class A rated, you can have protection from loud on-the-job construction sounds. One size fits most and comes with built-in foam padding. With an over the ear design, they are comfortable and easy to use. The left and right pieces can be adjusted by tilting. You can wear them throughout the day without being weighed down and keep your hearing safe.