Material Composition: 90% polyester, 10% spandex; A top that can be played on the back: This short sleeve top features an open back.This sportswear can be worn as a long length with a fluffy back or tied to a short T-shirt.A fun piece that can be coordinated with an innerwear.(Safe for Big Movement) Tie the hem of the t-shirt tightly to ensure a secure fit even when doing yoga or stretching, even during large movements such as upside down.2-way clothing that can be worn according to the situation.Can be used for a wide range of occasions, including hot yoga, ballet, dancing, gym, running, and training.Soft and smooth fabric: Soft and smooth to the touch.Comfortable fabric & sweat-wicking quick drying for a comfortable wear.Enjoy a variety of sports activities in comfort and style.This product has been tried and error with our brand with our partner factories overseas to achieve unbeatable quality.