The Moldex M4 is a robust ear muff with high attenuation at 34 dB SNR, The particularly low profile and light flexible design offers low contact pressure. The comfort cushions made from viscoelastic foam have ribbed air cushions for cool comfort and a plain surface for easy cleaning. Replacement cushions are available separately (Part No 6135). Conforming to EN 352-1:2002, these earmuffs are high quality.