A doublet is a kind of snug-fitting jacket that is shaped and fitted to a man's body. Until the end of the 15th century, the doublet was most often worn under another layer of clothing such as a gown,
The unidentified tailor in Giovanni Battista Moroni's famous portrait of c. 1570 is in doublet and lined and stuffed ("bombasted") hose.
Doublet c.1412, worn underneath chain mail
Doublet, 1635–1640 V&A Museum no. 177-1900
A waistcoat or vest is a sleeveless upper-body garment. It is usually worn over a dress shirt and necktie and below a coat as a part of most men's formal wear. It is also sported as the third piece in
A traditional waistcoat, to be worn with a two-piece suit or separate jacket and trousers
Nineteenth century silk damask waistcoat
A young man wearing a modern waistcoat
Woman wearing a modern denim waistcoat.