Ear, head & face protection all in one! Used by professional cutters worldwide. The CU-20 is a high quality hard hat with four point pin lock suspension. Meets ANSI Z89.1 requirements. Low profile earmuff with 22dB NRR can be flipped out of the way for conversation or can rest on the cap in permanent rest position. Nylon mesh visor flips up and down with ease. 100% dielectric.