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., Twilight lens filters out 76% of blue light and is ideal for both indoor and outdoor low light conditions., High contour single lens with 180° distortion free viewing and excellent optical quality. , Optimal fit, ultra lightweight style. Fully recyclable rimless design. , Meets both ANSI Z87.1 and CSA Z94.3 standards. , Comes with an adjustable neck cord.,