Playtex Women's Sport Hook and Eye closure Super-smooth outer fabric wicks moisture, so you stay dry. Mesh neckline and under-cup zone add cooling ventilation. Seamless 2-ply cups provide excellent support. Breathable inner cup lining feels great against your skin. Soft covered seams curve around cups for subtle shape definition. Soft sides and back stretch for flexible fit. Sleek, stretchy bottom band stays put without chafing or digging. (Has covered inner elastic for ease of movement). Wide mesh-covered straps adjust discreetly in back. (Plus, straps easily convert to crisscross).