A blue crew-neck sweater and grey chinos are the kind of a fail-safe casual getup that you so terribly need when you have no time to craft a look. Serve a little mix-and-match magic by slipping into a pair of black leather low top sneakers. So if you're in search of a kick-ass getup that transitions easily into spring, look no further. Wondering how to master casual looks as you reach your 30s? This combination is an amazing example.