Material Composition: 96% polyester, 4% spandex. The back is fashionable. The chest area is completely covered, so it is sleeveless for peace of mind even when you move your body in sports or fitness.On the contrary, the back is designed to show a large look, so you can enjoy wearing it with a well-colored bra top or a patterned tank top. (Freely Covering Your Body Shape) The waist part can be easily adjusted, so you can squeeze it out to reveal a beautiful waistline or wear it fluffy to cover your body. Comfortable to wear: Not only does it look good, but it is also made of soft fabric for excellent comfort.The side is made of mesh material that is breathable and easy to move around in, making it a great item for many sports occasions. (Gentle Colors and Basic Colors) This top has an active image, but it has 3 colors that are gentle and feminine gray and pink, and a black color that is easy to match with any outfit.You can coordinate it with any color of your sportswear, yoga wear, gym wear, fitness wear, etc.