Size	Min Chest Circumference	Max Chest Circumference
XS	26.8 in / 68 cm	31.5 in / 80 cm
S	31.5 in / 80 cm	36.2 in / 92 cm
M	33.9 in / 86 cm	38.6 in / 98 cm
L	36.2 in / 92 cm	40.9 in / 104 cm
XL	40.9 in / 104 cm	45.7 in / 116 cm