OR FICTION IS BROUGHT TO YOU BY AMERICA'S FINEST CARPET. >> AND IN TONIGHT'S TECH OF IT, AND WE'RE TALKING ABOUT SOME LEEWARD A MISTY, YOU NO DOUBT ARE THE SO-CALLED RULE ABOUT NOT WEARING WHITE AFTER LABOR DAY. BUT EXACTLY DID THIS COME FROM? UNFORTUNATELY, THAT'S DIFFICULT TO PIN DOWN. THE LOGICAL REASONING IS TEMPERATURE. WHITE REFLECTS LIGHT AND HEAT WHICH WOULD MAKE YOU COOLER IN THE WINTER. THERE'S ALSO THE THEORY RULE WAS PART OF AN EFFORT TO EDUCATE THE NOUVEAU RICHE REACH ABOUT WHAT TO WEAR. ORIGINALLY, THE RULE APPLIED ONLY TO WHITE DRESS SHOES AND PUMPS. WHITE TENNIS SHOES WERE USUALLY EXEMPT. AT SOME POINT THE RULE WAS EXTENDED TO NEARLY ALL WHITE CLOTHING, ALTHOUGH WEARING QUEEN WORE OFF, WACO'S WAS STILL ACCEPTABLE. ALSO, WINTER BRIDES HAVE ALWAYS BEEN ALLOWED TO WEAR WHITE.