There is a film called Zoot Suit Riots which says on its website:
Initially an African American youth fashion, closely connected to jazz culture, the zoot suit was co-opted by a generation of Mexican American kids, who made it their own.
The oversized suit was both an outrageous style and a statement of defiance. Zoot suiters asserted themselves, at a time when fabric was being rationed for the war effort, and in the face of widespread discrimination.
Zoot suits were reserved for special occasions -- a dance or a birthday party. The amount of material and tailoring required made them luxury items. Many kids wore a toned-down version of the "draped" pants or styled their hair in the signature "ducktail.",/i>