One sociopolitical issue where I am relatively progressive (at least on the American political spectrum) is when it comes to the rights and interests of workers. I support unions. I support at least many of the legal protections employees have in the United States and believe there are more we should have. I do think regulation (to a point) is necessary because one party is always going to have far more power than the other, and history demonstrates the ill effects of this.
I do believe that generally free markets are important because it is the best way to generate the wealth for society that is necessary to keep everyone fed and out of poverty. But this is for practical reasons, not due to a pure, ideological commitment to the free market.