Lululemon Black Womens Tank Top Size L Built in Bra Performance Top Fits longer at hips Built-in shelf bra for added support and coverage Pockets for optional, removable cups Racerback shape allows for full range of movement Materials Bra: 85% Nylon, 15% Elastane Cup lining: 95% Nylon, 5% Elastane Body: 100% Nylon. Light Support, B/C Cups(Click to Close) Intended to provide light support for B/C cups Slim fit skims your body Hip length sits below the waistband for moderate, everyday coverage Intended for low-impact activities