From the article:
On Aug. 22, GoTopless Day 2010, GoTopless.org Summons All Men in America to Cover Their Chests in the Name of Equal Rights!
'Topless equal rights for all or none!'
LOS ANGELES, Aug. 18 /PRNewswire-USNewswire/ -- For the third consecutive year, U.S.-based GoTopless.org will stage a national Go-Topless Day protest to proclaim women's constitutional right to go bare-chested in public. During the protest, while participating women go bare, male participants will cover their chests to comply with gender equal rights by wearing bikini tops or bras.
Check out the relevant page (but the home page is NSFW [Not Safe For Work]).