Go for a pared down but at the same time laid-back and cool choice marrying a dark green field jacket and charcoal jeans. Black leather tassel loafers will bring an elegant twist to an otherwise too-common ensemble. So when summer is over and fall is here, this getup has a good chance of becoming your go-to. As a 30-year-old man, you want to start dressing more like a mature gentleman. If that's the case, looks like this are a lifesaver.