D20:Celestial Armor Magic Armor

Celestial Armor: This bright silver or gold +3 chainmail is so fine and light that it can be worn under normal clothing without betraying its presence. It has a maximum Dexterity bonus of +8, an armor check penalty of ?2, and an arcane spell failure chance of 15%. It is considered light armor, weighs 20 pounds, and it allows the wearer to use fly on command (as the spell) once per day.
Faint transmutation [good]; CL 5th; Craft Magic Arms and Armor, creator must be good, fly; Price 22,400 gp; Cost 12,550 gp + 1,004 XP.

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System Reference Document -> Specific Magic Armor