This combination of a brown wool blazer and a light blue vertical striped dress shirt is proof that a straightforward ensemble doesn't have to be boring. And if you need to immediately tone down your outfit with footwear, rock a pair of dark brown suede desert boots. In winter, when warmth is crucial, it can be easy to surrender to a less-than-stylish outfit. But this outfit is a stark illustration that you totally can stay comfortable and remain equally stylish in winter. As you turn 30, you probably want to start dressing more maturely. In this case, getups like this are a surefire option.