Madewell Knit Biker Unitard in Black, Size L From Madewell's MWL (Make Weekends Longer) athleisure line. Like new. No callouts. The fabric: lightweight cotton jersey with a touch of comfy stretch. The fit: like a combo of a cami and our gold-standard knit biker shorts, this unitard has a built-in shelf bra so you can be out the door just like that. -Fitted. -88% cotton, 12% elastane. -Do Well: By buying cotton products from Madewell, you're supporting our investment in Better Cotton's mission to help cotton communities survive and thrive while protecting and restoring the environment. -Machine wash.