For the best fit, we recommend choosing【 1 】size up. Product Description The Treksta Supdry Series Athletic Slim Fit Long Tank Top is designed for training, yoga, running, tennis, and everyday athleisure wear. Made with nylon and Lycra spandex, it offers high stretch, moisture-wicking comfort, and a smooth slim fit. The large U-neck, racerback design, and removable chest pads provide breathable support and flexible movement. Key Features Moisture-wicking fabric keeps you dry and comfortable High-stretch Lycra spandex for free movement Double-knit fabric for better coverage Removable chest pads for flexible support Racerback design improves breathability Slim long fit for sports and daily styling Material 80% Nylon / 20% Lycra Spandex Lining: 90% Nylon / 10% Lycra Spandex