Consider pairing a white vertical striped short sleeve shirt with khaki chinos to display your styling smarts. If you're not sure how to round off, a pair of black leather low top sneakers is a foolproof option. So as you can see here, it's a neat, not to mention spring-ready, combination to keep in your transeasonal sartorial collection. Wondering how to master casual style as you slip into your 30s? This combo is the perfect answer.