the salesman , a round hypertensive named lloyd , who wore the last extant leisure suit on the planet ( powder blue with navy piping ) , had begun his assault with a five-minute lament on the disappearance of double knits ( as if a concerted effort by a greenpeace team in white vinyl shoes and gold chains might bring double knits back from the brink of extinction ) , then segued into a half-hour lecture on the tragedies visited on those poor souls who failed to purchase extended warranties on their kenmore freezemasters .