A medieval sallet helmet used to protect the head and eyes, but not the chin. Therefore the knights often wore a bevoir for a further protection.
Our helmet copy weighs 2,5 kg (5.5 lbs)
The metal is 1.8 mm (0.07") thick
The inner liner is 18 cm (7.08") wide and 21.5 cm (8.4") long.
It fits head sizes up to 62 cm / 24.4".