The colours for 2023 included Indigo Blue, Navy Blue and Military Green. (Certain colours are only available in certain sizes.)
S fits a 34 - 36" chest
M fits a 38 - 40" chest
L fits a 42 - 44" chest
XL fits a 46 - 48" chest
XXL fits a 50 - 52" chest
XXXL fits 54 - 56" chest