Designed with the sportsman in mind, the Crossfire[R] Cirrus transitions easily from work environments to recreation! The adjustable nosepiece allows for added protection, while the sleek one piece lens design provides an unobstructed full field of vision. Hard coat polycarbonate lens protects against scratches. Provides 99.9% UVA and UVB protection. Complies with ANSI Z87.1 standards.