Montana Sunglasses MP41 F Navy Blue Rubbertouch Grey Polarized Orange Double Gradient on Brown Latch has a convenient clip Brown Vintage Gradient Black Latch has a convenient clip hinge mechanism that inspires the name and enables you to attach the eyewear on to your shirt to help them stay in place when the sun goes down Persol's superior quality is guaranteed as they are handcrafted in Italy with the finest materials available Montana Sunglasses MP41 F Navy Blue Rubbertouch Grey Polarized are a Montana polarized version of the classic wayfarer style with the winged temples and and rivet front detail Polarized sunglasses with the classic look at a great price