From workouts to runs, keep cool and comfy in this junior girls’ Fitness Knockout Tank Top from Under Armour. In a Black colourway, this loose-fit tank is made from smooth poly fabric with 4-way stretch for unrestricted movement. It has sweat-wicking tech, and features a scoop neckline and a T-back with wordmark taping. With a curved hem, this fitness top is finished with a signature Under Armour logo to the chest. Machine washable.. Material: 90% Polyester/10% Elastane