This is a unisex fit style hoodie which makes it a looser fit. However, the best way is to take your own favorite hoodie, measure across chest and compare to this sizing!
MACHINE WASH COLD, INSIDE OUT WITH LIKE COLORS. Line Dry
Measured across the chest one inch below armhole when laid flat.
Start at center of neck and measure down shoulder, down sleeve to hem.
Measured from high point shoulder to finished hem at back.