Hanes G334 Smooth Finish Wirefree Bra White(Unit Per Pack) Nylon bras closure Wider wings at the side and back for comfortable yet firm support. No seams or irritating tags for a smooth, itch-free look and feel under clothing. Fiber Content: Cup, Back: 84% Nylon, 16% Spandex. Cup Frame: 100% Nylon. Cup Linings: 100% Polyester. Cup Pad: 100% Polyurethane Foam.