EvoShield Women's Racerback Chest Guard 82% Polyester/18% Spandex Imported Gel-to-Shell custom-molding chest guard with racerback shirt 1/4 inch thin Gel-To-Shell shields allow for complete comfort and flexibility Disperses impact and protects better than traditional foam and plastic gear Engineered with swagtech moisture-wicking technology Shirt fabric is machine washable, air dry. Shields are removable and hand washable