Fact 1: Sweating reduces body heat.

Fact 2: Clothing reduces the effectiveness of sweating as a means of cooling the body.

Given the two facts above, answer the question "What does taking off one's clothing improve the efficacy of?" with the following options: 
- recovery
 - hydration
 - Sweating
 - Modesty
 - Waterproofing
 - Exfoliation
 - Honesty
 - staying warm


 

   Sweating      