Light support No closure Shell: 81% Polyester(100% Recycled) / 19% Elastane / Lining: 88% Polyester(100% Recycled) / 12% Elastane / Bra Pad: Outer: 100% Polyester(100% Recycled) / Middle: 100% Polyurethane / Inner: 100% Polyester(100% Recycled) Strappy back