The Sperian Millennia features a lightweight nylon frame with superior side and brow protection. Provides 180° clear field of vision, comfortable/universal nosebridge, high-impact, abrasion-resistant polycarbonate lens, and an adjustable, break-away FlexiCord retainer for added security and convenience. Available with multiple lens options. Meets ANSI Z87.1-2003 High Impact and CSA Z94.3.