Inner Diameter : Front to back 9 inches approx. Ear to Ear : 8 Inches approx. Size : The Size of this Helmet is a Standard Adult Size that fits almost all adults. The item "Medieval Brass Ancient Templar Helmet Knight Armor Closed SCA Larp Helmet" is in sale since Tuesday, November 23, 2021.This item is in the category "Collectibles\Knives, Swords & Blades\Armor & Shields". The seller is "pie-mart" and is located in Los Angeles, California. This item can be shipped worldwide.