Aritzia Wilfred Cyprie Gray Wool Mock Neck Sweater Small

Tag on this says Medium but it fits more like a small/xsmall Bought it for myself off Depop, not sure if this has been shrunk a bit before, but it fits pretty tight. I know merino wool Is amazing and can easily be unshrunk! Measurements are in the pictures Mock neck 100% merino wool Light gray sweater Wilfred sweater