Chest measures across the bust 1” below the armhole, seam to seam.
Length is measured from the highest point of the shoulder to the bottom hem.

SIZE XS SM MD LG XL 2X 3X
CHEST 19.5" 20.5" 21.5" 22.5" 23.5" 24.5" 25.5"
LENGTH 23.5" 25" 26.5" 28.5" 29.5" 30.5" 31.5"