This pairing of an olive parka and jeans is on the casual side but also ensures that you look stylish and really sharp. A pair of white and black high top sneakers is a great option to round off this ensemble. While it can be a bit of a juggling act to stay on-trend in uncomfortably cold temperatures, it's ensembles like this that prove it's actually possible. Outfit inspiration like this will help you remain incredibly fashionable while slipping into your 30s.