How can you insulate your?

Prevent the passage of electricity to or from (something) by covering it in nonconducting material.

insulation

To keep warm..

Air insulates heat transfer as well as (lower voltages of) electricity basically by just being there. Heat takes time to transfer between media. Consider a house's wall cavity without added...

An insulator is scientifically speaking a poor conductor therefor it will not readily transfer the heat out of the object in question. The heat then bounces back in the case of a body with a jacket...