shapeliness       
noun [ U ] uk/ˈʃeɪ.pli.nəs/ us/ˈʃeɪ.pli.nəs/
 (尤指女性的身材或身体部位)匀称,线条优美
(especially of a woman's body or parts of a woman's body) the quality of having an attractive form
  Her figure had lost a lot of its former shapeliness. 她的身材已经失去了很多以前有的优美线条。 
 When designing a shoe, it is desirable to combine style and shapeliness with ease and comfort. 在设计鞋子时,最好将款式和形状与舒适性结合起来。 
 See: shapely
 - More examples
 - In the ancient sculptures, the emphasis is on slimness, shapeliness, and gracefulness.
 - She had covered up the lovely shapeliness of her legs with long leather boots.
 - Beauty is not just about elegance, shapeliness, or any other kind of surface physicality.