classic-retro-acetate-round-black-sunglasses-men-women 。Sunglasses for Women Men Classic Crystal Glass Lens Retro Circle Metal SunGlasses,50mm. Lens Width: 50 Millimeters Metal frame Non-Polarized Mirror Coating coating Lens width: 50 millimeters Bridge: 21 millimeters CLASSIC DESIGN – Pro Acme Metal Round Sunglasses are totally retro. This look has been worn by legendary musicians and inspired by the 1960s counter-culture when this style first originated. The Pro Acme unisex metal, iconic sunglasses are known for their defined round crystal lenses and distinct shape. Small round sunglasses is a timeless model. C2 Crystal G15 Green Lens.