What is the point in chest hair?

Question: What is the point in chest hair?
- Keywords:
  chest,
  hair,
  point
Asked by birsejwh to Sarah on 19 Jun 2011.
- Sarah Cook answered on 19 Jun 2011:
  
  Having hair is a defining feature of mammels. Why it is need on the chest I guess to keep warm??? I prefer to just wear a jumper!

Question: What is the point in chest hair?