When it comes to dressing for the cold weather, it can be tricky to layer up without the added bulk. Thankfully, this selection of lightweight coats is about to change that. If you need an extra layer on the way to the office, try the lightweight trench coats by Loewe and TOPSHOP or a luxe leather version by we11done. Looking for a weekend staple that will beat the chill? Go for a lightweight down coat by Esprit, Gant or Guess.