Lights Out!The Lights Out! Fort Knocks feature a matte midnight black exterior frame with an ominous purple, wooded interior, which wraps around to the bottom part of the front frame. Supernatural polarized purple lenses with a foreboding owl lens etch and gunmetal hardware round out these uncanny shades. Designed on our durable and high quality frame, these sunglasses have a slightly wider fit than our other frame styles and provide full UV400 sun protection.