A XS to 4XL sized 5.4 ounce Happiness is Expensive Round Neck Core Cotton Tank Tops for Ladies.

5.4 ounce, 100% cotton.
90/10 cotton/poly (Heather Grey).
50/50 cotton/poly (Neon).
Removable tag for comfort and relabeling.
Side seamed with a contoured body for a feminine fit.
Scalloped hem.

Women’s Size:
XS (Women 2) – 32~34" Chest
Small (Women 4~6) – 35~36" Chest
Medium (Women 8~10) – 37~38" Chest
Large (Women 12~14) – 39~41" Chest
X-Large (Women 16~18) – 42~44" Chest
2XL (Women 20~22) – 45~47" Chest
3XL (Women 24~26) – 48~51" Chest
4XL (Women 28~30) – 52~55" Chest.

Chest/width measures across the bust 1 inch below the armhole, seam to seam.