Comes with an adjustable neck cord. Dielectric and non-conductive. The high impact scratch resistant polycarbonate lens with anti-fog coating provides 99.99 percent UVA and UVB protection. High contour single piece lens with 180° distortion free viewing and excellent optical quality. No metal parts. Meets both ANSI Z87.1 and CSA Z94.3 standards. An ultra-lightweight, sporty design in a fully recyclable rimless style. Complies with ANSI, CSA. 6.5" D x 5.875" W x 1.625" H