The Von Gravert Type "Niederbieber" Helmet made by Deepeeka is an accurate replica ornate based off historical research and authentic in its design. The typical Roman-era helm is quite protective on its own, but this Von Gravert Helmet adds a few features and enhances others, all with the intent of giving added protection, as well as enhancing the look of the Roman soldier who wears it. This simple yet effective helmet features a raised cross-shaped ridge along the crown of the helmet, which adds strength and durability to the helm, while also helping to divert impacts down the side of the helm and away from the center of the skull. A visor is attached to the front, along with shirt spiked protrusions, which helps to protect the wearer's face. Large cheek protectors are attached via hinges at the sides of the helm and add additional protection to the face and chin, while leaving an open gap for the wearer to see. The back of the helmet slants down slightly against the wearer's neck, providing protect from the back as well. Infantryman began to equip themselves with heavy cavalry helmets from around AD 200. Many of these helmets resemble those found at Niederbieber, in Germany, on the Rhine frontier. Note the huge neck guard, the way the ears are totally enclosed, the high, pointed brow guard and the raised crown re-inforcements. This was one truly armoured Roman helmet! Our version is made of brass and is fully functional. The internal circumference is 22-23 inches. This incredible helmet is great for your next Ren Fair, role-playing performance or to simply add to your collection!