Who said you have to wear trousers just because it's cold? With the right pair of boots and some cosy fleece-lined tights, a dress can be just as practical . . . and a lot prettier. If you're bored of slipping into your skinny jeans every day just because it's cold, it's time to try a new look. We've found a whole selection of great day dresses that are crying out to be layered up over your thermals for some serious sub-zero style. All you need to finish the look is the biggest and cosiest coat you can find!