This combination of a white crew-neck t-shirt and beige chinos is extremely easy to put together and so comfortable to wear a variation of as well! Send this getup in a more laid-back direction by wearing a pair of green athletic shoes. This getup isn't a hard one to assemble and it's season-appropriate, which is important when it's roasting hot outside. Those wondering how to dress fashionably as you work your way through your 20s, you have your answer.