This combo of a blue denim jacket and black and white chinos is irrefutable proof that a pared down casual ensemble doesn't have to be boring. Rounding off with low top sneakers is a guaranteed way to add a more casual touch to your outfit. Rest assured, this getup will keep you snug as well as looking dapper in this transeasonal weather. This pairing suggests how to succeed in the casual style department as a 20-something man.