This seriously stylish ensemble is so simple: a cardigan and navy skinny jeans. Now all you need is a pair of black suede lace-up ankle boots. During the colder months, when warmth is essential, it can be easy to settle for a less-than-stylish outfit in the name of functionality. But this outfit is a striking illustration that you totally can stay comfy and remain absolutely stylish at the same time in the colder months.