An adjustable head strap provides a secure fit., Rubberized eye seal provides very good protection against dust and debris. , Meets both ANSI Z87.1 and CSA Z94.3 standards. , Comes with a microfiber pouch and adjustable neck cord., High impact scratch resistant polycarbonate lenses with anti-fog coating provide 99.99% UVA and UVB protection., High contour lenses provide 180° distortion free viewing and excellent optical quality., Foam liner is removable and offers indirect ventilation. , Twilight lens filters out 76% of blue light and is ideal for low light conditions.,