Women's Plus Size Racerback Keyhole Performance Tank Top - Yoga Gym Workout 88% polyester Women's Plus Size Racerback Keyhole Performance Tank Top - Activewear Built in bra - Great for Workout , Gym, Yoga Body :88% Polyester 12% Spandex Mesh: 93% Polyester 7% Spandex Mesh at back for cooling off Dri-More technology - moisture wicking