Racerback Nirvana Sports Tank Top - Breathable Micro Fiber Great for your workouts and yoga as well as a casual tank top. Loose fitting engineered fabric with supportive bras and banded at the waist. Quick dry technology. This can be worn for exercise and yoga for the active mom to be. MADE IN USA Content: Liner: 93% micro fiber nylon, 7% Spandex. Content: Body: 100% Nylon Sizes: Small (0-4, Bust size 30"-33"), Medium (4-8, Bust size 33"-36"), Large (8-12, Bust size 36"-38")