Eye protection that will take you into the new millennium and beyond. Features an 8-base single curve lens with air flow designed sideshields. Supported by a unique Resilium nylon Demi-Frame. 6300 offers bow-flex bayonet style temples with ergo temple grips and a Soft-Fit nose bridge which prevents slippage. Lenses shield eyes from 100% of harmful UV radiation. Meets ANSI Z87.1 standards.