Features Comfortable and smoothing No-wire silhouette for maximum breathability Give your bust a boost with some extra padding Sweetheart neckline follows your natural bust curvature Soft and smooth microfibre body Convenient removable & adjustable straps with multiple strap width options for a individual fit 2x3 hook & eye closure at back Composition Main: 80% Polyamide, 20% Elastane; Cup: 100% Polyurethane ; Cup Lining: 100% Polyester.