Elasticized low-rise waistband. Elasticized leg openings. Smooth, quick tricot-jersey, with comfortable stretch and full lining. recycled polyester 82%, spandex 18% Lining: 92% polyester, 8% spandex. Fit & Sizing Women's bikini swim bottoms sit below waist. Models are wearing sizes S (numeric size 4), L (numeric size 12), and XL (numeric size 18).