Armor Proficiency (Light)

 
Prerequisite(s): Armor Proficiency (Light)
 
Benefit: Wearing an armor type with which you are proficient means the armor check penalty only applies to the following skills: Balance, Hide, Escape Artist, Jump, Move Silently, Sleight of Hand and Tumble.
 
Special: All characters except Wizards, Sorcerers, Psions and Monks gain this feat for free at first level.
 
Source: Players Handbook