To fit chest measurement
XS/S 28-34” 71-86.5 cm
M 36-38” 91.5-96.5 cm
L 40-42” 101.5-106.5 cm
XL 44-46” 112-117 cm
2/3XL 48-54” 122-137 cm
4/5XL 56-62” 142-157.5 cm

Finished chest
XS/S 38” 96.5 cm
M 42” 106.5 cm
L 46” 117 cm
XL 52” 132 cm
2/3XL 58” 147.5 cm
4/5XL 62½“ 159 cm