Here’s a caveat for prudes planning to attend the sword-and-sandal combat drama “300”: Forget gifts. Beware Greeks baring all!

It’s hard-bodied torsos on parade in director and co-writer Zack Snyder’s bloody, painterly and irresistible adaptation of Frank Miller’s graphic novel about the clash of ancient civilizations in the infamous Battle of Thermopylae. The girls will like ogling the boys. The boys will like ogling the violence. And the boys who like the boys will looove the leather Speedos — which are just about the only clothing that the ripped and handsome hunks here are wearing.