Why men prefer cotton shirts over fancy fashionable ones?

Traditionally men have worked outside homes and preferred to wear functionally clothes. Although the urban metrosexual male attempts to be his fashionable best in silk shirts, given a choice, he would opt for the cozy cotton. Why men prefer cotton shirts over fancy fashionable ones? It is no secret, when one is working log hours, comfort scores over fashion. Salesmen, who walk the streets and rough it out in the...