An important thing about the Naruto Headband in the Naruto costumes is that this headband is meant to show allegiance for the village or allegiance against the village. The plate of the metal that is fount at the front of the headband is inscribed with the sign of some village from where the ninja that is wearing the headband belongs too. In this way this headband also helps in identifying the ninja. It also helps in distinguishing the ninja from a friend village and ninja from enemy village.
This Naruto headband is the most interesting and most talked part of the costume of the Naruto costume and it is in fact the first item that the people purchase when preparing for Naruto cosplay. There are some kind of characters that don't wear this headband and such characters mostly include civilians and rogue ninjas.