Cool Looks That'll Keep You Warm: If you don't have a wool trench like the one here, invest! You'll wear it for years. We like this marbled pattern and shorter sleeves--perfect for showing off the sexy sweater underneath.
What Wear - Step Smarten up a mom-jeans-and-t-shirt combination by throwing on a Savile Row-style menswear coat, as seen here on Christine Reehorst of Fash n Chips. It will help stave off the London fog.