I'm reading an article on Tom Waits from the New Yorker, December 27th, 1976. One sentence goes:
His lyrics reflect a landscape that is bleak, lonely, contemporary: all-night diners; cheap hotels; truck stops; pool halls; strip joints; Continental Trailways buses; double-knits; full-table rail shots; jumper cables; Naugahyde luncheonette booths; Foster Grant wrap arounds; hash browns over easy; glasspacks and overhead cams; dawn skies "the color of Pepto-Bismol."
In this context, what are "double-knits"? Some kind of clothing? Knitted clothing feels a bit out of line with the other items listed, but it's all I'm getting results on when doing an internet search.