AdvertisementU.S. Women Likely To Wear 'Black Widow' Uniforms Against BrazilJuly 08, 2011Bill ChappellfacebookEmailA Good Luck Charm? The U.S. women's team is undefeated when wearing all black since the uniforms were introduced on May 14. In that game against Japan, Ali Krieger battled for control of the ball. (Getty Images)