A white print crew-neck t-shirt and light blue jeans are amazing menswear must-haves that will integrate wonderfully within your current casual arsenal. Have some fun with things and add a pair of white athletic shoes to the equation. Rest assured, this ensemble will keep you snug as well as looking sharp in this awkward fall weather. Those wondering how to pull off modern off-duty style as you work your way through your 20s, you have your answer.