A crew-neck t-shirt and black jeans are the kind of a never-failing casual ensemble that you so terribly need when you have no time. If you want to immediately play down your ensemble with footwear, why not complement this outfit with a pair of navy athletic shoes? While it can be a bit difficult at times to dress stylish on extra cold days, it's outfits like this that prove it's totally possible. Wondering how to perfect casual looks as you move through your 20s? This combo is the perfect answer.