As 1960s society pulsed with revolution, hippies—outfitted in psychedelic patterns, ethnic prints, and thrift-shop throwbacks—used clothing as an agent of social change. "Hippie Chic," opening July 16 at Boston's Museum of Fine Arts, traces the look from its inception in the late '60s, most memorably during San Francisco's Summer of Love, to its quick adaptation by fashion designers, including the gauzy gypsy dresses by Sant'Angelo shown on Jean Shrimpton in a 1969 issue of Vogue, below right (mfa.org). Today's designers continue to riff on the aesthetic. Missoni, an early pioneer of funky knitwear, has opened its first North American iteration of MissoniHome in Southampton, New York, stocked with groovy accents such as the Vevey outdoor pouf, below (missonihome.com). Meanwhile, ceramic artist Michele Quan channels the Age of Aquarius by weaving…