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