S:
Chest width/cm: 114   Length/cm: 70   Recommended Height/cm: 160-170    Recommended Weight：About 130 pounds.
M:
Chest width/cm: 118   Length/cm:72    Recommended Height/cm: 165-175    Recommended Weight：About 150 pounds.
L:
Chest width/cm:122    Length/cm:74    Recommended Height/cm: 170-180    Recommended Weight：About 180 pounds.
