Blackfin - MONTAUK 1422 size - 55 model Frame's color is Brushed Gunmetal Interior And Exterior / Gradient Smoke Rims. Optical frame made of titanium.- Entirely made in Italy.- Front milled from a single pure titanium block.Ultraflexible 0.5 mm beta titanium temples. Shortenable temples thanks to the patented temple tips. Imperceptible weight with perfect face wearability. Coloring process entirely handmade.Laser engraved markings and serial number. Biocompatible, hypoallergenic and nickel-free optical frame.