A light blue denim shirt and blue jeans are a great combo to add to your day-to-day outfit choices. Add a pair of desert boots to the equation to make the look a bit more polished. So as you can see here, it's an on-trend, not to mention spring-friendly, getup to have in your transeasonal sartorial collection. If you're not sure how to dress as a man in his 20s, this combo is a tested option.