Mens

Alpha Size   Chest Waist Hips
SM   34-36 28-29 36-36.5
MD   38-40 30-32 37-39
LG   42-44 34-36 41-43
XL   46-48 38-40 45-47
XXL   50 42 49
XXXL   52 44 51

Youth

Alpha Size Age Chest Weight Height
SM 6-Aug 26-28 45lbs-54lbs 44-48
MD 9-Oct 29-31 54lbs-72lbs 49-54
LG 11-Dec 32-34 72lbs-90lbs 55-60
XL 13-14 35-38 90lbs-110lbs 61-66