The flare audio isolate onyx aluminium ear plugs are certified hearing protection for concerts travel and high noise workplaces. Made from solid aluminium they reduce low frequency sound more effectively than standard foam or silicone plugs. This helps cut down the heavy bass rumble that often causes listening fatigue in loud environments. With an official snr rating of 30db and ce certification to en 352 22020 theyre designed to be worn when noise levels exceed 80–85db. Whether youre at a gig riding a motorbike operating machinery or flying they lower overall volume while maintaining a clearer less muffled sound. Each set includes four pairs of heat reactive memory foam tips in xs s m and l. The foam softens with warmth to create a secure seal helping improve comfort over longer periods. When the tips wear out they can be replaced easily. A flare carry pouch is included for safe storage between uses.