Viking Nasal Helmet Medieval Armour Brass Accent Helmet 18 Ga Steel 

The Metal  : High quality 18 Gauge  Steel,

Ear to Ear : 8 inches (approx.)

Inner Diameter : Front to back 9 inches (approx.)

Circumference : 26 inches (approx.)

adults size & it's fully wearable

Fitment: Adult Size