From Spanx, this tank features: SPANXshape™ provides medium compression for a shaping effect Advanced Single-Layer Printed Power® Technology: Made with LYCRA® FitSense Print™ Technology, this tank top provides powerful tummy and waist control Maximum Comfort: Lightweight, breathable, moisture-wicking, and silky-smooth fabric for all-day comfort Smoosh-Free Bust: A non-compressive bust prevents uni-boobor, wear your own bra for additional support Fit-Flexible Hem: Helps ensure the tank stays put for a secure fit Nylon/elastane Machine wash cold/tumble dry low Imported.