WANAYOU is specially designed for yoga workout Gym Activewear. It'S good for sportswear, daily bras, sleeping bra, workout bra, and running bra. The bra has been added stretch, so elastic that fit not only small women but also large bust women and girls with no tightness. Back zipper closure-easy for you to put on or off, Perfect to wear as a post-operative bra - racerback design provides extra support. Racerback provides extra support while still providing ventilation to keep cool. Widened shoulder strap Widen and stretch to offer more support stretch around the body. Support and prevent chest sagging.