Everyday Basics Lightly Lined Soft Cup Bra Cups: 100% Nylon. Frame: 90% Nylon, 10% Spandex. Band lining: 50% Cotton, 50% Polyester. Back, band: 84% Natural rubber latex, 16% Nylon. Hook and Eye closure Lightweight Tricot weave cups are soft against your skin. Exclusive Spanette fabric on underband and sides for support and move-with-you comfort. Adjustable straps for a great fit. Cup sizes to DD.