Nike Pro Two-Tone Purple Half-Zip Training Running Pullover Shirt, Women's Size Medium 88% Polyester/12% Spandex, Mock neck, Half zip front, Thumbholes in the sleeves Laying Flat Measurements: Armpit to Armpit: Approx. 18" Armpit to Hem: Approx. 18” Shoulder to Hem: Approx. 25"