Penn Women's Shadow Stripe Singlet 90% Polyester/10% Spandex Machine wash PERFORMANCE JERSEY: Performance material wicks away moisture and keeps you cool. Don't ever stop or slow down your workout because of sweat again. FLATTERING FIT: Scoop neck and racerback have a flattering appeal that also allows comfort and movement when excercising. LIGHTWEIGHT: Mesh pattern allows for breatheability and comfort whether you're training for a marathon or just walking the dog. MATERIALS: Our womens tank top is made from 88% Polyester/ 12% Spandex EASY CARE: All of our tank tops for women are machine washable, dryer friendly, and hold up wash after wash. This super soft and comfortable singlet will be your go-to athleisure top.