Meets both ANSI Z87.1 and CSA Z94.3 standards. Optimal fit, ultra lightweight style. Fully recyclable rimless design. High contour single lens with 180degree distortion free viewing and excellent optical quality. The HD lens is resistant to water and dirt marks and also offers 96% visible light transmission. This lens is ideal for very humid environments. Dielectric, non-conductive material. Adjustable silicone nose pads provide increased comfort and reduced slippage. The high impact scratch resistant polycarbonate lens provides 99.99% UVA and UVB protection. Comes with an adjustable neck cord.