Wearing more layers of cloth during winter keeps us warmer than wearing just one piece of thick piece of clothing.
It is so as many layers of cloth have a lot of spaces between them.
These spaces gets filled up by the air.
And it is known that air is the bad conductor of heat so, it does not allow the heat of the body to escape.
Final Answer:
Wearing more layers of cloth creates space between them which gets filled by the air and does not allow the body to leave the heat.
