SoftSeal® Ear Cushions by Oregon Aero for Bose A20 Headset and Helmet Installations, Pair. Unbelievably comfortable cushion! Inside is the NASA developed visco-elastic Tempur material with super-soft synthetic leather covering. These are replacement ear seals upgrades for the standard Bose A20, Bose X, and Lightspeed Zulu ear seals. New condition.