Embroidery: 58% Polyester, 42% Polyamide Elastic 1: 84% Polyamide 16% Elastane Elastic 2: 85% Polyamide 15% Elastane Strap: 79% Polyamide 21% Elastane.Hand wash.Unpadded underwire cups.Back hook and eye closure.Sheer mesh fabric with embroidered detail