Materials: Metal frame, Crystal lenses.UV Protection: 100% UV protection (UVA/UVB).Lens Technology: Solid color lenses provide consistent light absorption across the entire lens.Durability: Ray-Ban Aviators are known for their sturdy construction and resistance to daily wear.Clean lenses regularly with the provided cleaning cloth and a gentle lens cleaning solution.Avoid using abrasive materials or harsh chemicals that could damage the lens coating or frame finish.Store in the protective case when not in use to prevent scratches and accidental damage. Avoid leaving sunglasses in direct sunlight for extended periods, especially in hot environments (e.g., car dashboard), as extreme heat can damage the frame and lenses.