For oversized, follow size chart belw.  Or size down one for less oversized and still roomy.  Ash is a 16 and 40h bust in the large. 

Details

Oversized Long Sleeve Round Neck

Brand: Zenana

Color: Black

Sizing

S (2-6) | M (8-10) | L (12-14) | 1X (18-20) | 2X (20-22) | 3X (22-24)

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

Fabric Fit & Feel

82% Poly 16% Rayon 3% Span

Oakley Fabric aka Butter Leggings meets cashmere feel crazy soft 

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

Measurements (approximate and taken while laying flat)

Length from shoulder to bottom seam: Medium 27 Inches | 2X 28 Inches

Bust width: Medium 56 Inches | 2X 62 Inches