WHEN YOU ARE DECIDING ON A BRAND NEW PAIR OF FOOTBALL BOOTS IT CAN BE DIFFICULT TO FIGURE OUT WHAT SIZE IS RIGHT FOR YOU.IT IS ALWAYS A GOOD IDEA TO CONSIDER THE SIZE THAT YOU ARE CURRENTLY WEARING, SINCE MOST BOOTS WILL MORE OR LESS BE ‘TRUE TO SIZE’. HOWEVER THERE ARE CHANGES IN RELATION TO SIZE WHEN CHANGING FROM SOME BOOTS TO OTHERS.THE FIT OF THE BOOT DEPENDS A LOT ON THE LAST THAT THE BOOT HAS BEEN BUILT ON. FOR EXAMPLE, THE MERCURIAL SERIES FROM NIKE IS RATHER SLIM, SINCE IT IS BUILT ON A VERY SLIM LAST; WHEREAS A BOOT LIKE THE ADIDAS COPA MUNDIAL IS A VERY WIDE BOOT, SINCE IT IS BUILT ON A WIDE LAST.