This smart pairing of a blue blazer and dark brown chinos is very easy to throw together in no time flat, helping you look dapper and ready for anything without spending too much time searching through your wardrobe. Tone down the casualness of this ensemble by rocking dark brown leather loafers. An easy-to-transition outfit like this one makes it super easy to embrace the new season. So if you're looking for dressing tips for 20-year-olds, this getup is definitely worth saving for later.