Photos of the 2015 No Pants Subway Ride SF

Nudity is a common sight on the streets of San Francisco—something transplants soon realize after moving here. But that doesn’t make this mass transit trouser drop, based on the 14-year-old NYC prank, less of a lark. Click away and enjoy our favorite photos from this year’s No Pants Subway Ride, surely the cheekiest date on the San Francisco events calendar.