FREE PEOPLE U-Neck Tank NWT Medium Heather Grey Brand New w Tag The shirt is a Medium with FP tag of SM. I have compared to the other sizes & it is a Medium This classic U-neck tank top has been updated with darting in back to make it more figure flattering & slimming. Areas of faded distressing on seams is in style of shirt. Pullover Sleeveless Approx 22” Cotton Machine washable Material is lightweight