Pair a navy turtleneck with navy cargo pants for a casually edgy and trendy outfit. If you want to easily up your outfit with a pair of shoes, complete your outfit with burgundy leather oxford shoes. After thirty, you probably want to start dressing more like a mature gentleman. In this case, inspiration like this proves very useful.
This pairing of a navy turtleneck and navy cargo pants is hard proof that a safe casual getup doesn't have to be boring. To bring out a refined side of you, throw burgundy leather oxford shoes in the mix. As a gent in his thirties, you want to start dressing like a grown man. That's when combinations like this are a life saver.