high-low
adj.— «What strikes you first are the musicians—most are African American, and on this night, they are decked out in, to use street parlance, “high-low”—blazers over T-shirts and jeans instead of penguin suits and long black skirts.» —“Trumpeting Diversity” by Avis Thomas-Lester Washington Post May 21, 2007. (source: Double-Tongued Dictionary)