The whole underwear has a large wrapping surface, is comfortable to wear, and is gathered in a shape, which can effectively alleviate the vibration and relieve problems such as sagging caused by the chest shaking during exercise. Simple and durable cup noodles, there will be no embarrassing marks when dressing. The back is a combination of SensElast technology and mesh splicing technology to achieve the effect of ventilation and perspiration, not sultry, and the SensElast pattern can also be customized according to customer needs. Widened shoulder strap design, more powerful support for the chest, even force.