Such must-haves as a brown suit and a tan knit crew-neck sweater are an easy way to infuse some elegance into your daily collection. Put an elegant spin on this getup by wearing burgundy leather derby shoes. Can you see how very easy it is to look sharp and stay comfortable when chillier weather hits, all thanks to ensembles like this? When it comes to dressing ideas for gents in their 30s, this look looks great on almost any gent.