Not much else needs to be said... 

  Unisex Men's and Women's 50% cotton, 50% polyester hoodie.  For reference, Tan "TheUnFrumpyMommy" (42 inch bust - 5'6" height) wears a Medium in this design. Erik (42" chest - 6' height) typically wears men's hoodies in a Large (L) for an athletic fit, or an Extra Large (XL) for a more loose, casual fit. See Sizing Chart