Howard Leight leads the industry by offering the most choices of in-ear hearing protection. And as the leader in innovation only Howard Leight is continually developing new designs materials and technologies that take comfort and protection to the next level. Leightning series" steel-wire construction provides high performance and robust durability. Leightning stands up to daily use and abuse without compromising comfort. Howard Leight has optimized the Leightning series to deliver the highest level of comfort available featuring an exclusive padded foam headband and super-soft ear cushions that eliminate that "squeezing" pressure on the head. The Leightning series also features Bilsom Technology"s patented Air Flow Control technology for optimal attenuation across all frequencies and snap-in ear cushions for easy maintenance.