Meeting ANSI Z87.1 standards, High impact 2.2mm polycarbonate lens, Highly scratch resistant to most aggressive chemicals and drastically delays the appearance of fogging, 99.99% UVA and UVB protection, Comes with an adjustable neck cord, Guarantees even more safety, reliability, New Bollé Platinum anti-fog/anti-scratch coating on both sides of the lens, Features ultra-lightweight Polycarbonate frame with non-slip temple tips, Adjustable non-slip adjustable bridge,