Crafted from matte metal, these sunglasses feature mirror infrared lenses and a rotative hinge that allows the temples to fold downward. The integrated cylindrical hinge complements a sporty frame design detailed with side spikes. full metal frame and temples cat shape smart fit rotative hinges balenciaga logo lasered engraved on both temples adjustable nose pads with bb logo bio-nylon lenses lens category 2 100% uva/uvb protection metal