Nephalem = Larger head sizes.
Adjustable full skull cover with TFCC tag/pocket (hidden inside cap silver side visible).
Unique patented flap adjustment designed for full skull cover at the back.
Still fits inside standard caps but especially designed to fit with our unique patented flap
adjustment Carbon Stealth cap which adjusts beyond standard cap sizes to smaller & larger sizes.
More Info EMF/Scaler Energy
Metal fiber exposed to air/moisture cannot avoid oxidation,
therefore the fabric can show signs of dis-coloring (Patina)
this is normal but it does not affect the Radiation Shielding function