CHEST WIDTH SHIRT LENGTH COLLAR PERIMETER
S 18" / 46 cm 27.5" / 70 cm 17.25" / 44cm
M 19.5" / 49.5 cm 28" 71 cm 18" /  45 cm
L 21" / 53 cm 29" / 74 cm 18.5" / 47 cm
XL 22" / 56 cm 29.5" / 75 cm 19.25" / 49 cm
2XL 24" / 61 cm 30.5" / 77 cm 19.75" / 50 cm