For a look that's street-style-worthy and effortlessly neat, wear a light violet shirt jacket and light violet chinos. For something more on the daring side to finish this ensemble, complement this look with a pair of grey print canvas high top sneakers. As you can see here, it's super easy to look awesome and stay toasty when colder days are here, thanks to this ensemble. And if we're talking casual style tips for 20-something guys, this combo is ideal.