So you have some heels that you love and you want to wear them this winter but you don't want your feet to be cold. Consider spats. They stretch your shoe wardrobe quite a bit and they make heels look almost like boots. Also an easy way to simulate the look of boots over your jeans.
Denim Spats from Fabulize.
Custom Leather Spats from Unraveled. You pick your buttons and they have other textures and colors.
Yummy blue Spats from Fait Avec
Fun Herringbone Spats from Ashes and Empires