Superb....this is better than my Rey.Ban...... The cooling it gives is tremendous....good job...

Nice product by GKB optical ,but Frame color is painted shiny black.not materials real color ,and frame material is plastic,Lens material Unknown(polycarbonate or Plastic),In shade it works fine ,but in opposite sunlight or sunlight from sideways the lens become slightly whitish.original Cost in GKB is 780 Rs is Higher and Flipkart price 530 Rs is not bad.I think Higther the Price is for Brand name and 1 Year Warrenty.My opinion this will cost 250 to 350 Rs.is the Best Price.