Body length, measured from the shoulder top to the bottom end. Chest width, measured at the back, between the underarms - size S. Chest width, measured at the back, between the underarms - size M.
Sleeve length, measured from the side hem of the armpit to the end of the cuff. Due to the nature of the knitted fabric, some slight tolerances in the described measurements are possible. Actual product colors may vary from the color on your screen due to monitor color restrictions and/or settings.