Kimono Vintage

Kimono Juban?

Is a juban such as this:

http://cgi.ebay.com/Japanese-Beautiful-KIMONO-VINTAGE-JUBAN-No-25593_W0QQitemZ280210056743QQihZ018QQcategoryZ29452QQssPageNameZWDVWQQrdZ1QQcmdZViewItem

Meant to be worn under a kimono, or can it be worn by itself? Any advice is appreciated

It’s an underwear.

k171 Vintage Japanese Silk Kimono Fabric Quilt Craft
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