I have the polarized gray gradients one in 51 mm. I read a review saying they were fake and I was doubtful about purchasing these. But nonetheless these are the real thing. I have other pairs of persols and comparing them to these, they’re real and extremely high quality. The hinges feels nice and smooth compared to nothing else, not even raybans come this close. The weight of the glasses is a nice balance between a nice quality weight and light weight. They’re not heavy but feel nice in the hand. The leather case is also magnetic and nice. Looking forward to another pair