• Multiple protection of polarized lenses: our lenses are made of TAC material that is lightweight yet strong and does not break easily. 7-layer composite material polarization technology, high visibility, water and oil resistant. • Made of high-quality PC material: high-quality frames inherit classics and strive for excellence. Modern and classic look, men's black sunglasses use TAC lenses and PC frames, durable hinges that open and close smoothly. • Men's black sunglasses with fashion design: classic retro fashion sunglasses to express yourself and show your charm. In the classic retro fashion style, the frame with a smooth surface is lightweight and comfortable. • Suitable for any occasion: these unisex sunglasses are not only a fashion accessory but also a must-have for your outdoor activities. • Specifications and packaging: product dimensions: lens width: 50 mm, lens height: 48 mm, bridge: 18 mm, arm length: 140 mm.