Youth SIzes:

S - 20" Relaxed Waist, 23" Inseam
M - 23" Relaxed Waist, 26" Inseam
L - 26" Relaxed Waist, 28.5" Inseam
(Allow for 3% Shrinkage for Flannel)

Adult Unisex Sizes:

S - 28" Relaxed Waist, 31" Inseam
M - 29" Relaxed Waist, 32" Inseam
L - 31" Relaxed Waist, 32.5" Inseam
XL - 33" Relaxed Waist, 33" Inseam
XXL - 35" Relaxed Waist, 33" Inseam
(Allow for 3% Shrinkage for Flannel)