The gray color of these Ray-Ban Round Metal Sunglasses’ frames is a versatile and stylish option. The metal material resists corrosion and is tough enough to stand up to everyday wear and tear. Offset a square face shape with the soft lines of these round frames. Keep your eyes safe from harmful UV rays with these attractive and well-constructed men's sunglasses. The lenses are equipped with 100% UV protection to help prevent damage from long term sun exposure. Ideal for sports and daily use, the green lens color provides glare reduction and good overall viewing on sunny days, cloudy days and even foggy and hazy days.