This is a Flexees Shaping top, It's like a ShapeFX top. It's brand new, only tried on once. I bought it online then Lost it in my closet but I have others and love them. It smooths the back & front with its double material panels. Says large but i think its a S or M You can go braless & I’m big on top. It has super stretchy and has good smoothing capabilities. It can fit small to Medium size. Armpit to armpit 16.5 inches unstretched. 23 inches shoulder down. 20 inches across the bottom band. Unstretched=Small