Lavender purple mock neck long sleeve shirt

Lavender purple mock neck longsleeve. Has a tiny pocket. Vintage. Marked a size medium in women's. 65% polyester and 35% cotton material. Brand is Carriage Court Sport. Measures 19.5 inches wide (39 inches) by 25.5 inches long. Pit to pit is 20 inches across. Sleeves are 18.5 inches long. Please compare measurements to your own to make sure it fits. Used item, has been washed.