Madewell Blue Side Panel Maternity Perfect Vintage Jeans Size 28. Great condition. Please see photos for measurements. Style MB510 Our design team restyled our best-selling mom (lol) jeans to expand with a growing belly. Cut low in front for comfort and high in back for coverage, these pull-on jeans have stretchy side insets and an adjustable elasticized waistband that allows a customizable fit. Premium 99% cotton/1% spandex denim. Machine wash.