This a two part sweater: from the back it looks like two layers - one longer then the other, and from the front it looks like you are wearing a strapless topo, início and a sweater on topo, início of it . link
fotografia
sweater
topo, início
This Teen Fashion fotografia contains
casaco and casaco de lã.
There might also be
pullover, slipover, pulôver, colete, camisola, ligação em ponte, and jumper.