Removable adjustable straps to convert to a strapless style. Silicone strips to stay up all-day. Foam padding. Hidden boning on front sides. Sheer mesh back. Hook and eye tape in the back. Lace: 92% polyamide, 8% elastane Lining: 85% polyamide, 15% elastane Cup: 51% cotton, 44% polyester, 5% elastane Style: BALLE1561