Neleus Women's 3 Pack Compression Workout Athletic Shirt It has no built-in bra; 85% Polyester / 15% spandex, Machine Washable,Cold water Size running smaller,so please kindly refer to our suggested chest,if you do not know your measurement chest size or you prefer the "Less Tightly Fit",we strongly recommend ordering 1 size up than you normally wear Tight Fitting,like a second skin. Order 1 size up than you normally wear for Regular Fit So easy to move while practicing Ashtanga,and does not matter how much you sweat; Slimmer fit deliver a sleek, more feminine silhouette Perfect option during various indoor activities and outdoor excursion Super soft Tech fabric delivers incredible all-day comfort