A grey long sleeve shirt and a white crew-neck t-shirt? It's easily a wearable ensemble that anyone can rock on a day-to-day basis. Add a pair of white canvas high top sneakers to the mix to make the outfit current. Dressing warmly is the trick to surviving extra cold temperatures, but this getup is a bright example that you can achieve this with style. Those who wonder how to rock cool casual style well into your 30s, this getup should answer your question.