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 D20
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This article is a D20 reference page
The System Reference Document is a comprehensive toolbox consisting of rules, races, classes, feats, skills, various systems, spells, magic items, and monsters compatible with the d20 System version of Dungeons & Dragons and various other roleplaying games from Wizards of the Coast.
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Etherealness: On command, this ability allows the wearer of the armor to become ethereal (as the ethereal jaunt spell) once per day. 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 Magic Arms and Armor, ethereal jaunt; Price +49,000 gp.
System Reference Document -> Magic Items: Armor