Wiley X Contend Polarized Sunglasses meet or exceed ANSI z87.1 industrial standards for high-mass and high-velocity impact protection. These sunglasses provide 100% UVA/UVB protection with distortion free clarity with a lightweight frame. The Captivate Polarized Green Mirror Lenses have a high-contrast tint, which enhances clarity in blue colors and differentiating greens/browns. The Captivate Polarized Blue Mirror Lenses are designed for intense, bright sunny conditions.