This modern casual combo of a cable sweater and black ripped jeans is super easy to put together in next to no time, helping you look on-trend and ready for anything without spending a ton of time digging through your wardrobe. To bring a bit of flair to this ensemble, complete your look with a pair of black chelsea boots. While it can be a bit challenging to look stylish on extra cold days, it's combos like this that prove it's totally possible. Those who are curious how to dress fashionably in your thirties, you have your answer.