CLICK HERE FOR PRINTABLE VERSION.
Pants are generously cut.  They recommend 1:2:2:1:1
(S-M-L-XL-XXL) ratio for adults.  1:2:2 (S-M-L) for youth.
Size     Mens     Juniors
XS        24-26     0-1
S          28-30     3-5
M          32-34     7-9
L           36-38     11-13
XL         40-42     15-17
XXL       44-46     19
Youth sizes
S (6-8)
M 910-12)
L (14-16)