This pairing of a blue cardigan and grey dress pants is a surefire option when you need to look like a menswear maven. For something more on the classy end to finish this ensemble, add a pair of tobacco leather oxford shoes to the mix. So if you're on a mission for a kick-ass getup that will take you from winter to spring, look no further. As you get into your 30s, you want to start dressing in a sleeker manner. If that's the case, inspiration like this proves very useful.