Harley riders worldwide know us for The Original KD's sunglasses. This little black framed sunglass was originally worn by hardcore bikers in the 1950s. They have remained the #1 selling biker sunglass because they stay on your head and keep the wind out of your eyes by fitting tightly on the temples and nosebridge. The new, improved KD's are now lighter in weight, have longer slimmer arms for better peripheral vision, fit more comfortably under a helmet, and have fully wired temples for extra strength and adjustability. There are now 20 different lens colors available. What does KD stand for? Kool Daddy's