20 New Radians Earplugs. This is a new set of 10 pairs of Radians earplugs. When it comes to hearing protection, Radians is unsurpassed in selection, quality, delivery and value. Tapered shape offers the best fit for ear canal. Light, comfortable foam seals without pressure. Smooth surface repels dirt. Hypo-allergenic material. Can be combined with earmuffs or other personal protection equipment.