What is a shift undergarment?

Related questions

1. What is the difference between a pinafore and an apron?
2. What is Ashift?
3. What body type can wear a shift dress?
4. What is Oracle ZFS?
5. What is a pinafore apron?
6. What is RAID and Unraid?
7. How does RAID 10 work?
8. What are Pinnies made of?
9. What is ZFS cache?
10. What era are pinafore dresses from?

Tags

1. #western
2. #historically
3. #nations
4. #protect
5. #simple
6. #modern
7. #precursor
8. #commonly
9. #garment
10. #dress
11. #women
12. #shift
13. #classic
14. #undergarment
15. #chemise
16. #shirts
17. #smock
18. #sweat
19. #clothing