We're loving how this combination of a short sleeve shirt and tobacco dress pants instantly makes you look sophisticated and sharp. Infuse a more laid-back feel into this getup by rocking a pair of sandals. As this combo suggests, you can't think of a better option for summertime. As a man in his 30s, you probably want to start dressing more maturely. If that's the case, combinations like this prove useful as a source of inspo.