Your giantish blood influences you even when you take on other forms, revealing your might regardless of your shape.
Prerequisites
Giant Bloodline; either Giant’s Stature feat or Powerful Build special ability; ability to wild shape; bloodline level 1st.
Benefit
You retain your Powerful Build ability while wild shaped, gaining many of the benefits of being one size category larger. In addition, the damage of any natural attacks granted by your wild shape is increased by two steps on Table: Damage Progression, as if you were one size larger. The benefits of this feat stack with wild shape forms that increase your size.