http://www.ebay.com/itm/281124831988
These vintage swim trunks were made in the 1960s. They are a long legged style, with a patterned waistband.
Waist (unstretched): 15″ (doubled = 30″)
Waist (stretched): 20″ (doubled = 40″)
Side Seam: 14″
Rise: 12-1/2″