The helmet is based on the original - Italian visor of helmet from Negroponte 1430. The helmet is made of special steel C45 plate 2 mm thick.
This part of armour may be ordered in the following versions:
This helmet has a blockade of curtain - you can order it additionally - 20EUR.
You can order additionally :
-a belt under a chin - 6 EUR
- a helmet's cover - 5,21 EUR
The steel C45 is better than normal steel. You look at this side about information technical steel: