Netrunner LCG: Chrome City Data Pack - Rules of Play says:

Function breeds fashion in Chrome City. The Data Pack’s sixty new cards (three copies each of twenty individual cards) introduce players to the northern SanSan borough of Chrome City. Here, among the sketchy chop shops planted in the shadow of Haas-Bioroid’s genetics division, a growing community of chromeheads have begun to transform cybernetics into fashion statements.