She can step up to plate wearing the Under Armour Girlsâ Vanish Softball Pants. These softball pants are made of 100% polyester lightweight performance fabric for durability. The stretchy waistband with belt loops provides a secure fit and the moisture-wicking technology helps evaporate sweat to keep her cool and dry. Under Armour Girlsâ Vanish Softball Pants Black, Medium - Wmn Team Sprt Top/Bttm at Academy Sports