The sizes correspond to the bust circumference as follows: S/M (L/XL; XXL/XXXL) = 29 - 32 (35 - 39; 47 - 52)“ / 82 - 90 (98 - 107; 119 - 131) cm bust circumference (measured at your body). 

The batwing sweater with its extra long arms should be worn with a loose fit. Example: If you have a bust measurement of 35“ (90 cm), then knit the sweater in size S/M.

You need:

5 (6; 6) x 50 g (1.76 oz) Pascuali Balayage hand-dyed (80 % Baby alpaca, 20 % virgin wool, organic merino extra fine, mulesing free) in colour A
2 (2; 2)  x 50 g (1.76 oz) Pascuali Balayage (80 % Baby alpaca, 20 % virgin wool, organic merino extra fine, mulesing free) in colour B 
2 (3; 3) x 50 g (1.76 oz) Pascuali Balayage (80 % Baby alpaca, 20 % virgin wool, organic merino extra fine, mulesing free) in colour C 
2 (2; 2) x 50 g (1.76 oz) Pascuali Balayage (80 % Baby alpaca, 20 % virgin wool, organic merino extra fine, mulesing free) in colour D 
2 (2; 2) x 50 g (1.76 oz) Pascuali Balayage (80 % Baby alpaca, 20 % virgin wool, organic merino extra fine, mulesing free) in colour E

Colours of the pictured sample:  
Colour A = colour 720 
Colour B = colour 619 
Colour C = colour 618 
Colour D = colour 617 
Colour E = colour 616