Tas Yoga Halter Top 90% Polyester, 10% Spandex Made in USA Gentle Wash on Cold and Tumble Dry on Low Temperature Cawl Neck with Open Back Choose any bra top to wear under this stylish Halter Double layer waistband holds halter in place during activity 90% Polyester / 10% Spandex Gentle Mesh is colorfast and retains shape wash after wash Sizes: (S) Bust: 32-34, (M) Bust: 34-36, (L) Bust: 36-37