For a casually stylish look, reach for a white vertical striped short sleeve shirt and navy jeans — these pieces go really great together. And if you wish to easily lift up this ensemble with a pair of shoes, complete your getup with a pair of black chunky leather derby shoes. As you can see here, it's extremely easy to look awesome and stay comfortable come cooler weather, all thanks to combos like this one. How's that for 20-something fashion inspiration?