This combo of a turtleneck and navy sweatpants looks pulled together and immediately makes any man look stylish. If you want to immediately dial down this ensemble with one single item, introduce black and white work boots to the mix. You might think that just because it is snowing outside you have to sacrifice on style, but it's just not true, and this ensemble is a vivid example. Those wondering how to rock edgy casual outfits as you head into your 30s, this outfit should answer your question.