Saks Fifth Avenue Women's Layered Tank top. Size Medium (label says XL)

Saks brand layered tank top. Inside layer is a dark green. Tag says XL, but fits like a Medium. Please check measurements: Bust: 15.5 " laying flat on one side (so 31") and it will stretch Waist: 14" laying flat on one side (so 28") and it will stretch Length: 26" I am a size 6, with a 35" bust, 32" waist, and 36" hips and it fits me well.