Original KD's 20019 - Polarized Grey/Matte Black Frame Note to our new KD customers: KD's are a small sunglass- that's the cool look, that's the fit. If you would like your KD's to have a little larger fit and look, check out our X-KD's.Polarized lens sunglasses offer better function and versatility than conventional sunglasses. Polarized lenses dramatically reduce reflective glare off of water, highways and other reflective surfaces. Eye fatique associated with prolonged exposure to the sun's...