There are sexy guy calendars and sexy efforts to raise cash for HIV causes. Mix the two and you've got this: A sizzling glossy calendar in which gay and straight guys get naked for a cause.

T-shirt company with a cause FCKH8.com is out with a 2015 benefit calendar featuring hard bodies snapped by photographer Justin Monroe and the promotional efforts of gay cruise app Jack'd.

Half of the money raised from sales of the $10 calendar will go to HIV charities supporters will be able to vote for online, according FCKH8.com.

“We really wanted to do something that brought a focus back to HIV/AIDS which still impacts gay and bi men in huge numbers but keep it fun and sexy,” Mike Kon, who produced the calendar for FCKH8.com, says in a press release. “The gay and straight models on the shoot had a great time shooting it with only a few cute awkward moments between them that made us all laugh. The behind the scenes video captures it all. These guys are really worked out and we’re glad to be able to show that off to benefit the work that HIV/AIDS charities are doing.”

Now about those stripped down gay and straight guys and getting those holiday stockings stuffed …