Random Magic Armor (any level)

This armor is well oiled and magically constructed so that it not only makes little sound, but it dampens sound around it. It adds a +5 circumstance bonus to its wearer's Move Silently checks. (The armor's armor check penalty still applies normally.)
Aura: Faint illusion
Caster Level: 5th
Requirements: Craft Magic Arms and Armor, Silence
Price: +3,750 gp
Source: Dungeon Master's Guide v.3.5