By now, you've likely got your parka and pea coat but if you don't have an old school overcoat, it's the time to think about getting one. A classic coat will be as stylish today as it will be in a decade. But here's the real reason: they'll be going on sale later this month at most major department stores to make room for new spring merchandise. Here's a guide to four stand-up styles. Whether you opt for wool, tweed or camel is a matter of personal taste.