Armor Born (3.5e Feat)
From D&D Wiki
 Armor Born [General, Fighter]
Use heavier armor as per the Dwarf racial ability
Prerequisite: BAB 15, Heavy armor proficiency, Strength 22, Dexterity 22, Medium size or larger, Endurance
Benefit: The character no longer has a maximum dex bonus from her armor or shield, and no armor check penalty. Her speed is not hampered in heavy armor, and she is considered as wearing light armor regardless what type of armor she possess. If she is a dwarf she also gains +2 to her armor bonus.
Normal: The character has a maximum dex bonus from her armor and shield. She also has armor check penalties
Special: Fighters can take this as a bonus feat