From the manufacturer

• 82% Polyester, 18% Spandex
• Fabric weight: 6.78 oz/yd² (230 g/m²), weight may vary by 5%
• Chlorine-resistant fabric
• Cheeky fit with a scoop neckline and a low scoop back
• Zig-zag stitching
• Double-layer front 
• Four-way stretch material stretches and recovers on the cross and lengthwise grains