http://www.ebay.com/itm/281124732014
These vintage swim trunks were made after WWII and bear a size/price tag with a “Ceiling Price”. They are made of a knit rayon. Despite being deadstock, they have holes from storage, see the pictures.

Waist (unstretched): 10″ (doubled = 20″)
Waist (stretched): 15″ (doubled = 30″)
Side Seam: 8″
Rise: 12-1/2″