A white turtleneck and black skinny jeans are a must-have off-duty combo for many sartorial-savvy men. Burgundy leather casual boots are a surefire way to bring a hint of class to this ensemble. While it can be a bit of a challenge to stay on-trend on extra cold days, it's combinations like this that prove it's actually possible. This outfit illustrates that in your thirties you have a wide range of dressing options.