The combo of a white blazer and skinny jeans makes for a solid casual menswear style. As for the shoes, follow a more classic route with a pair of black and white loafers. With spring approaching, it's time to sport simple and dapper getups, just like this. A perfect example for any guy who's still working out how to dress maturely.
A red cardigan looks so cool when married with skinny jeans. Avoid looking too casual by finishing off with black and white loafers. As the weather gets warmer, it's time to shed those heavy winter layers and choose something lighter, like this look here. Those who are curious how to rock edgy off-duty looks in your thirties, this pairing should answer your question.