PHOTOS: Athletes Bare All for ESPN's Body Issue

For the past four years, ESPN the Magazine has put out a special Body issue, in which athletes appear in all their naked glory.

This year's edition, the fifth Body issue, features the enviable physiques of athletes including San Francisco 49ers quarterback Colin Kaepernick, golf Hall of Famer Gary Player and Olympic volleyball gold medalist Kerri Walsh Jennings.

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Photos of Walsh Jennings show her during and after pregnancy.

The issue - which will hit newsstands on Friday - will also showcase 17 other athletes in the buff, including Washington Wizards point guard John Wall, U.S. women's soccer player Sydney Leroux and snowboarder Elena Hight.

PHOTOS: Sneak Peek at ESPN The Magazine's Body Issue 2012

Although the athletes are quite naked, their poses do leave something to the imagination, as private parts are strategically covered.

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