J.R. Neymar Soccer T-Shirt Missing Size Tag

J.R. Neymar Soccer T-Shirt Missing Size Tag. Please Measurements Below. I think its a medium MEASUREMENTS LAYING FLAT Armpit to Armpit 16" wide ( 41CM) Top of shoulder to bottom of hem 25" long ( 64CM) This item is used but not abused Just basic wear and tear. No stains rips tears or snags. Please see all photos and any questions please feel free to contact me.