clothes
 






 

Question by  Cryrichter (12)

Does thermal underwear really help keep you warm?

Or is it a myth?

 
+6

Answer by  SallyJ64 (3121)

Yes, they keep the heat that your body emits closer into your skin which helps insulate you against the cold. They also keep wind from coming in from your outer layers and making you cold.

 
+6

Answer by  ihatetv (581)

It does, but the material matters. Cotton is the most common, but it doesn't wick moisture away from your skin. Merino wool or polypropelene will keep you warmer longer.

 
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