Why did ww1 pilots wear silk scarves?

Related questions

1. Why was the Tiger tank so feared?
2. How strong is Tiger tank?
3. How many German soldiers died in the Battle of the Somme?
4. How did planes affect ww1?
5. Who was the top ace in ww1?
6. Is it legal to own a tank?
7. Was Flyboys based on a true story?
8. What countries disappeared after ww1?
9. How did the bloody Red Baron die?
10. How were tanks effective in ww1?

Tags

1. #looking
2. #snoopy
3. #would
4. #clearing
5. #friendly
6. #scarf
7. #scanned
8. #skies
9. #charles
10. #goggles
11. #convenient
12. #clean
13. #prevented
14. #those
15. #lindbergh
16. #white
17. #wiped
18. #their
19. #classic
20. #chafing
21. #pilots
22. #everyone
23. #enemy
24. #aircraft
25. #scarfs
26. #double
27. #lenses