NIKE Lady Favorites Tank Top Vest Nike Dri-FIT Fabric - Wick away moisture to help keep feet dry and comfortable. Built-In Padded Bra - For support and reduce bounce during workout. Mesh Panels - For great ventilation and breathability keeping you drier and more comfortable. Flat-Seam Construction - To help minimise chaffing, reducing irritation. Fabric: Body: Dri-FIT 83% polyester/17% elastane. Lining: Dri-FIT 80% polyester/20% elastane. Pad: 100% polyester.