Gray Bodycon ribbed tank dress European L runs more like a S

Great minimalist gray bodycon tank dress Dress it up or wear with sneakers It is labeled a L, purchased overseas and runs very very small, I wear a 6 and it’s too tight for me. Measurements Underarm to underarm 14-17” Waist 13-16” Hip area 16”-19” stretched Length from shoulder 34” I wish it fit me better much too tight in hips ; (