Top is in good preowned condition, no issues. The tag says it's a size Large, maybe it's a youth large? It fits my mannequin that's a womens XS-S though, would recommend for a womens size S - please see measurements and pictures for details.
Bust: 18",
Sleeve: Short Sleeve,
Length: 24 1/2",
Material: 94% Cotton, 6% Elastane.
*Measurements are taken straight across laying flat, not doubled.