Glasses with Polarized lenses When used in the hot sun when exposure to ultra violet rays is very high, the lenses will turn darker, When it is dark / at night it will be bright again Original Polarized Anti UV Photocromic Glasses Sunglasses Can be used during the day and night (anti-glare) vehicle lights at night) Specifications: - Frame Material: Fiber - Lens: Polycarbonate (impact resistant, anti-UV + 100% Polarized and photocromic) Completeness: Zipper Box Wipe Glasses Glasses Cover Glasses Box