Evoshield Racerback Chest Guard Shirt - Women'sJoin the evolution with the EvoShield Chest Guard Shirt. This sleeveless compression shirt offers superior comfort and feel by utilizing technology that absorbs and disperses impact across layers of padding. Included is one custom-molding protective chest shield. Simply remove the shield insert from the foil bag to air-activate the custom-molding process. The Gel-to-Shell Technology transforms the soft insert into a protective shield in minutes. It will not just disperse impact, but absorb it, providing better protection than traditional gear. 82% polyester/18% spandex. Imported.