A blazer and a white and purple dress shirt are a truly sharp getup for any gentleman to try. With shoes, go for something on the casual end of the spectrum and complement your outfit with a pair of brown leather low top sneakers. Many people mistakenly assume that just because it is snowing outside you have to sacrifice smart style, but it's just not true, and this look is proof. Those who are curious how to pull off edgy casual style after 30, this ensemble should answer your question.