Neleus Women's 3 Pack Compression Base Layer Dry Fit Tank Top 85% Polyester / 15% spandex, It does not have a bra insert, Machine Washable Size running Larger,If you prefer a "Tightly Fit", please order one SIZE DOWN than you normally wear So easy to move while practicing Ashtanga,and does not matter how much you sweat Stretchy fabric helps move without restrictions for a comfortable fit Perfect option during various indoor activities and outdoor excursion,such like:yoga,sports,running,cross training and etc Soft, breathable and moisture-wicking fabrics keep you dry and comfortable