AirSoft™ Earplugs AirSoft™ is designed to be comfortable enough for extended, all-day wear. It's a reusable earplug with a patented cushion of air in the tip of each plug for the ultimate in comfort and a three flange design for superior attenuation. The AirSoft™ is reusable for months when washed regularly with soap and water. Available in clear flip-top box or safety impact resistant case. Sold per pair. NRR 27. Tested to ANSI S3.19-1974 standard.