keeping your eyes healthy. Polarized function filters the glare, eliminates reflected light and scattered light from the roads, water, snow, and other horizontal surfaces, restoring true color. HIGH QUALITY MATERIALS. These Retro Sunglasses browline and arms are made of high quality elastic plastic, which is ultralight, flexible, good touch. The lens is made of polycarbonate(high temperature resistance, ultra light, super impact resistance),which means your sunglasses can be used for long time without scratched or broken. CLASSIC STYLE and LIGHTWEIGHT DESIGN. These sunglasses for men and women are designed Semi Rimless, combining with horn rimmed decoration, which is the retro style in 2021. Only 24g, lightweight design gives you stress-free wearing experience. half frame shades for men and women are perfect choice for outdoor sports and activities such as walking, cycling, driving, shopping, travelling, hiking, and is suitable as fashion accessories and daily wear all year round. These unisex sunglassesare also a wonderful festival gift for friends and family!