Rock & Republic "City Blues" Purple Tie Dye Pullover Knit Strappy Sweater Retail $58.
Very Soft Fabric. Machine Wash, Tumble Dry.
Tag says Size XS. These measurements seem a little large for an XS, but Rock & Republic may have their own size chart.
Also Looks like it may be an off shoulder design, based on the measurement across the top of the back.
Bust 44"
Bottom Edge 36"
Sleeves 21"