I'm sorry to hear about the coldness and pain you're experiencing in your feet below the knees. These symptoms can be caused by various conditions, including circulation problems, nerve issues, or musculoskeletal concerns.

Given that you mentioned these symptoms, it is important to have a thorough evaluation by a specialist, such as a vascular specialist or neurologist, who can assess blood flow and nerve function in your legs. They may recommend tests like Doppler ultrasound or nerve conduction studies to determine the cause.

In the meantime, try to keep your legs warm and avoid prolonged periods of sitting or standing. If you notice worsening pain, color changes, numbness, or any ulcers, seek medical attention promptly.

Please consult a vascular specialist or neurologist for a detailed examination and appropriate management. If symptoms worsen suddenly or you experience severe pain, swelling, or skin changes, consider visiting an emergency facility.To narrow down potential causes, we will need some more information.Please tell me your age and gender. I understand you're experiencing coldness and pain in your feet, especially below the knees. I'll do my best to help.