This Archers Domed helmet has no nasal and this is made of 16 Gauge steel . Standard Adult Size fully wearable.

Specifications:
Inner Diameter (Front to Back): 8.5 inches 
Ear to Ear: 7.5 inches
Approx Circumference: 24 inches
Inclusions: Leather liner with chin strap
Material : 16 Gauge Steel

Note: **
Please use Helmet cotton cap (inner) for comfortable wearing. 
Use Helmet Stand for the good protection of helmet.
The Helmet comes pre oiled for protection from rust. 
Please use dry cloth to clean OR keep it under the Sun for a day for the excess oil to dry out.