1960s Vanderbilt Short Sleeve Sweatshirt, Champion Size Medium, Flocked Print Purse It has flared sleeves that

It has flared sleeves that have a slit so you can tie them into a bow if you'd like

There are 2 buttons at the waist (they were just too small for my mannequin to fully button the waist)

There is a bit of room at the neck to move the button if you need a bit more length

I did find one article about the designer

Hips - open (approx 28

1960s Vanderbilt Short Sleeve Sweatshirt, Champion Size Medium, Flocked Print Purse It has flared sleeves thatDescription Really nice black 60s short sleeve sweatshirt with a flocked Vanderbilt University print Details Brand Champion Content 100% Cotton Size Medium Chest 19" pit to pit Length 25. 25" Sleeves 13. 5" from neckline Condition Excellent (This sweatshirt was machine washed to test for dry rot)