OLD-SCHOOL COOL: Inspired by the love of classic Hong Kong movies, stands out with an old-school cool reminiscent of actors on the silver screens. Boasting curved squares with a three-dimensional cut, it bears an effective design that commands presence when worn. NYLON HIGH DEFINITION POLARIZED LENSES: Perfectly reproducing the exact colors as perceived by the human eye, blocking glare allows for a clear view and helps prevent visual fatigue. 100% UV PROTECTION: Effectively blocking harmful UVA, UVB & UVC rays, the shade combined enhanced high protection on your eyes from the sun in a classic framework of dark colours that brings out your masculinity. DURABLE ACETATE FRAMES: Premium acetate material with high performance on ageing resistance, durable color brightness and lustrous, bringing more comfortable daily wearing experience. MULTIPLE SIZE OPTIONS: Choose from a variety of size options including 54mm, 57 millimeter and 63 millimeter. 54 millimeter is recommended for smaller or more narrow faces, while the bigger 63 millimeter is recommended for those with large heads or wide faces. The 57 millimeter the best fit for men with an average width face, and fits the average woman's face for a slightly oversized look. IMPACT RESISTANCE: Shatter-proof lens which is safer and lighter for a whole day comfort wearing. BOLON Men Women Classic Square Polarized Sunglasses BL3165 Kowloon 54mm, Exclusive Eyewear Brand of EssilorLuxottica