Leather liner is used inside the helmet. Front to back:- 9 inches (23 cm). Ear to Ear:- 8 inches (19 cm).Circumference:- 26 inches (67 cm). 18 Gauge (1.2 mm). Size:- Standard size, fits almost all adults. This item is in the category "Collectables\Blade Accs, Armours & Shields\Armour & Shields". The seller is "indian_chainmail_armour" and is located in this country: IN. This item can be shipped to all countries in Europe.