Size 2 but think it would be best for a XS or Small Measurements PTP: 17.5 inches Shoulder to Hem: 21 inches There is stretch in the fabric! A soft fine knit short sleeve top with a loose fit that lands at the hip. It is knit from a smooth alpaca merino and made in Peru. Features a clean neckline finish and a rolled sleeve and body hemline. Made in Peru 70% Baby Alpaca 30% Merino Wool Hand wash cold lay flat to dry