PHOTOS: SF Boys Enjoy Surprise Heat Wave In Their Undies At Space 550

PHOTOS: Last Saturday was surprisingly warm in San Francisco, and a few hundred San Franciscans spent their MLK weekend the right way: wearing nothing but their skivvies. Hosted by Gus Presents and Babcock Bodywear, the bash was held at Space 550, where  DJs Alan Bentley and APG gave the guys hot beats to strip down to.

Photos: Marques Daniels