Atlantean helmet
From YPPedia
An Atlantean helmet is a clothing item that can only be gained from chests from Atlantis. This item cannot be purchased at a tailor.
The atlantean helmet is known to exist in seven colors including white, black, navy, blue, aqua, atlantean, and light blue. These color variations are shown below. The atlantean helmet can also be recoloured using a chroma.
Atlantean helmet (female)
Atlantean helmet (male)
