You can size down one if not busty or tummy heavy. Ash is a 16/17 in the xl so that when she sits down it’s still flowy and not clingy. Slinky stretchy wrinkle free fabric. 

Details

Lizzy Tank Style with V Neck

Brand: Dear Scarlett 

Color: White Base, Navy, Cobalt, Purple, Neon Greem, Magents, Goldenrod, Pink

Sizing

S (2-6) | M (8-10) | L (12-14) | XL (16-18) | 2X (20-22) | 3X (22-24)

Ashley (Size 16 regular and 40H bust) wears size XL

Fabric Fit & Feel

94% Poly 6% Spandex

Slinky Stretchy no wrinkles 

Relaxed fit with room in the tummy (Taco friendly :-)

Measurements (approximate and taken while laying flat)

Length from shoulder to bottom seam: Medium 28 Inches | 2X 30 Inches

Bust width: Medium 40 Inches | 2X 46 Inches