These jackets are a specific womens cut. XXS is equivalent to a womens size 6.

XXS XS S M L XL 2XL 3XL 4XL 5XL
Height 44 47 47 49 50 50 - - - -
Width 44.45 46 46.5 47 49 52 - - - -
Arm 53 53.5 56 56 57 58 - - - 0.00
Measurement guide hoodies

Width: Measured armpit to armpit.
Height: Shoulder to bottom.
Arm: Shoulder seam to cuff.