Two Major League Baseball® teams will be sprucing up and adding to their on-field Authentic New Era Collection for the 2011 season. These caps are the official on-field cap of Major League Baseball® and are worn by every Major League Baseball® player. All the caps are made with performance enhancing materials with a CoolBase technology featuring revolutionary wicking, superior drying, and shrink resistance. The front crown boasts a raised Washington Nationals team logo and stitched Major League Baseball® logo on the rear. To see which other team will be adding to their on-field collection check the jump! Both caps are now available via the New Era online webshop.