The Wilson ??The Duke?? NFL Replica Football is as close as a fan can get to the authentic . on-field football that’s been played by the game’s greatest since the NFL started in 1941. To provide a grip that is more forgiving and soft . The Duke Replica has a 1.2MM layer of EVA foam underneath the outer cover. It has all the markings of the official ball used in games . including ??THE DUKE?? text . the NFL commissioner’s signature script . and NFL Shield logo. As the official replica . this ball only comes in the official size . recommended for ages 14 and up.