fitz size guide

model is 5'11'' wearing a size s.

xs: chest 32 in; length 19 1/2 in
s: chest 34 in; length 20 in
m: chest 36 in; length 20 1/2 in
l: chest 38 in; length 21 in
xl: chest 40 in; length 21 1/2 in