What causes cold feet?

Chilblains NHS inform

Why Are My Feet Always Cold? – Cold Feet Causes and Treatment

So THAT's why women's feet and hands are always cold! It's all down to hormones

Raynaud's Syndrome (for Parents)

Why are my feet always cold in winter? : Healthshots

What is the REAL Cause of Cold Feet – 6 Possible Causes – Dr.Berg

Why are my hands and feet always cold? And when should I be worried?

Cold Hands and Feet - anxiety symptoms

Why do feet swell up in winter? How can one cure swollen feet in winter? - Quora

Chronically Cold Feet- Why Are My Feet Always So Cold?

Cold Injuries - Causes and Treatments: Central Massachusetts