Your hands and feet are the first to get cold when you're exposed to the cold weather because blood is diverted away from your extremities to your core. It's even more so for women because the nerves that control blood flow are more sensitive in women than in men and women have lower blood pressure. Toasty Feet help retain heat loss through the bottom of your feet when standing or walking on cold surfaces.
To further insulate your entire foot consider World's Softest Socks. Toasty Feet will not women or men who suffer from cold feet in bed. Consider wearing World's Softest Cozy Socks, the ultimate warm bed socks.