Accentuate your style effortlessly in Ray-Ban RX4378VF eyeglasses. The full rim frames are acetate, making them durable, lightweight, and resistant to hot and cold temperatures. The sturdy saddle bridge distributes weight evenly across the face to reduce pressure for a comfortable feel. The square lenses flatter oval and round faces for a balanced look. Creating a clean look is easy with these lightweight nylon Ray-Ban eyeglasses.