You're looking at the solid proof that a long sleeve shirt and navy chinos are awesome when matched together in a casual outfit. Navy slip-on sneakers look right at home here. There's no nicer way to spice up a gloomy autumn afternoon than a seriously stylish look like this one. As you're approaching your 30s, you want to start dressing more maturely. If that's the case, ensembles like this prove useful as a source of inspo.