Armor of Etherealness
On command, this ability allows the wearer of the armor to become ethereal (as the ethereal jaunt spell) once per day.
This material is Open Game Content, and is licensed for public use under the terms of the Open Game License v1.0a.
The character can remain ethereal for as long as desired, but once he returns to normal, he cannot become ethereal again that day.
Strong transmutation; CL 13th; Craft Magical Arms and Armour, ethereal jaunt; Price +49,000 gp.