Slim hearing protector ideal for use in forestry, sawmills and industry Earmuff cup has a recess at the top making it a more comfortable fit with Safety Helmets Wide, comfortable sealing rings are filled with a unique combination of fluid and foam, providing optimum sealing and ideal comfort even during long periods of use Earcup pivot points tilt for optimum comfort and efficiency P3E Helmet attachment for helmet mounting Soft, liquid foam-filled ear cushions for improved comfort