97% Polyester, 3% Elastane Slim Fit True-To-Size [ Boutique Brand ] Closet Sizing Chart (Size Tags Are In Letters): Xs – 0 S – 2/4 M – 6 L – 8/10 Xl – 12 1x – 14 2x – 16 3x – 18 4x – 20 Ships In 7-10 Days