Wilson "The Duke NFL Football - Salute to Service The official ball of the NFL - used during the month of November Made from 100% exclusive Horween leather The Wilson trademark "W" is pressed into every panel of Wilson NFL leather used to make official NFL game balls Made in the USA by specially skilled craftsmen & women The Wilson The Duke Game Football is the closest to what is used by the pros every season however, footballs used for NFL games may have unique specifications and/or stricter quality controls.