For an ensemble that's super straightforward but can be dressed up or down in a myriad of different ways, try teaming a shirt jacket with grey chinos. Desert boots look right at home teamed with this ensemble. Dressing warmly is the key to surviving below-freezing temperatures, but this getup is a vivid example that this can also be done with style. This ensemble proves that in your 20s, you have a wide array of style options.