For school, practice, and play. Bra liner and fabric is Powervita™ fabric which feels buttery soft with support that feels like a gentle hug. The strappy back detail makes it fun and cute for whatever activity ensues! Made of Nylon/Lycra. Airflow moves easily through the garment and pulls sweat away from the body to the surface of the fabric so it can evaporate. Dries in a flash for ultimate comfort when breaking a sweat and rated UPF 50+. Machine wash and dry.