Meteors unique curved design provides exceptional comfort. The contours follow the shape of the ear canal which means less pressure at the smallest diameter of the ear canal. The innovative undercut design affords a secure and comfortable fit, all day long. Small Meteors offer the same high-level of comfort and fit for women and other workers with smaller ear canals. Plus the exclusive colored streaks and swirls are a symbol of Moldex quality. All Moldex hearing protection is independently tested to ANSI S3.19-1974 by Michael & Associates, Inc., State College, PA