A charcoal cable sweater and a white dress shirt combined together are the perfect getup for gents who love effortlessly neat ensembles. And if you wish to immediately kick up your look with shoes, introduce black leather oxford shoes to your outfit. A good illustration of comfortable fashion, this outfit must be in your front hall closet when winter weather settles in. So if you're looking for style ideas on what to wear as you reach your 30s, this getup is a wonderful example.