Polo Ralph Lauren PH4229U 590480 Sunglasses. Frame color: Matte Navy Blue. Lens color: Dark Blue. Frame material: Injected. The Sunglasses Polo Ralph Lauren PH4229U, with Frame Squared in injected, they are the perfect accessory for those who love a decisive style. The blue color and blue lenses give a modern look. Recommended for round and oval faces, since they add definition and structure to the features. Ideal for Man.