Full-coverage support in a bra you can wear with anything - maybe the perfect strapless bra does exist! The One Smooth UStay In Place Bra features a silicone neckline and under-bust elastic designed to reduce shifting, sliding, and slipping. Multiway straps convert so you can wear it 7 different ways for amazing wardrobe versatility. Detailed with foam-lined cups, SmartComforttechnology smooths your back and sides for a no-show under your favorite tops while the underwire design with Anchorstraptechnology delivers the outstanding support you need. hand wash. Body - 88% Nylon, 12% Spandex. Side Panel - 80% Nylon, 18% Spandex.