VINTAGE 1982 Scholastic Regatta St. Andrew’s Tee Single Stitch by Champion Red S

Scholastic rowing Regatta St. Andrew’s prep school 1982 single stitch tee in red. Made in USA by Champion. Color is still bright, no fading. Some cracking on a front creed. Doesn’t look like it has been used. Most likely youth large since it’s a school issued tee. Fits like woman’s small. Please review the measurements.