Fit, fabric and functionality. This tank top checks all the boxes.Elevate your workout wardrobe with the O-Tank Halter Neck Active Tank with Built-in Bra by HEROINE SPORT in classic black. This sleeveless top boasts a stylish halter neckline with a modern O-ring front detail and pull-on closure, providing medium support with its built-in bra. Made in the USA from a breathable blend of 82% Polyester and 18% Spandex, this tank ensures comfort with its soft, stretchy material. Care with ease by machine washing cold inside out on a delicate cycle, tumble dry low, and avoid bleaching.