If you appreciate practicality above all else, this relaxed casual combination of a cardigan and a white crew-neck t-shirt is your go-to. Complete this outfit with a pair of white leather low top sneakers and the whole outfit will come together. If you feel uninspired by your autumn style options, this outfit just might be the inspiration you are looking for. Wondering how to master casual dressing as you move through your 20s? This pairing is a great example.