Couthclothing Women's American Flag Tank Top Junior Shirt Foil Stars Made in USA THEY ARE JUNIOR SHIRTS. A WOMEN'S LARGE IS ABOUT AN UNISEX EXTRA SMALL. Small -Chest Width 13.5" Front Length 18"; Medium -Chest Width 14.5" Front Length 18.5"; Large -Chest Width 16" Front Length 19" All our measurements are taken with the shirt lying flat. The best way to estimate size is to pick a shirt that fits the best and compare it to our measurements Tri-Blend 50% Polyester 25% Cotton 25% Rayon Polyester retains shape and elasticity; Cotton lends both comfort and durability; addition of Rayon makes for a unique texture and drapes against the body for a slimming look.