AND THE WHY unique oversized pink knit soft stretchy sweater size M

ANDTHEWHY brand - Light pink knit with unique ribbon weave throughout the material. Sweater is soft, stretchy, and oversized sweater. 3/4 length sleeves. Colors are light pink, pink and white. Tag reads fits size S/M actual measurements below. (Fits sizes S - L) Like new condition. I measure armpit to armpit 23 1/2" and from neck to hem 21 1/2"