Why do runners wear leggings?

Related questions

1. Is it OK to wear leggings as pants?
2. What should you not wear to yoga?
3. Where should the waist of your pants sit?
4. What should a beginner wear to yoga?
5. Why do runners wear tight clothes?
6. Is it bad to wear yoga pants everyday?
7. Where should your pants fall?
8. What is the difference between yoga pants and leggings?
9. Should yoga pants be tight or loose?
10. How tight should yoga pants be?

Tags

1. #muscle
2. #compression
3. #resistance
4. #double
5. #effects
6. #offer
7. #efficiency
8. #increased
9. #general
10. #reduce
11. #tights
12. #speed
13. #performance
14. #running
15. #range
16. #aerodynamic
17. #advantage
18. #runners
19. #increase
20. #including
21. #recovery
22. #positive
23. #looking
24. #improved