You use the weight of your armor to enhance the momentum of your charge.
Benefit(s): While using this style, you gain a +4 bonus feats on combat maneuver checks to overrun an opponent. Any magic ability or material that reduces your armor check penalty also reduces the bonus you gain for this style.
Special: A character with the armor training class feature can use Bulette Charge Style while wearing any type of armor with which she is proficient. Medium armor grants a +3 bonus, and light armor grants a +2 bonus.
Pathfinder Player Companion: Armor Master’s Handbook © 2016, Paizo Inc.; Authors: Alexander Augunas, Robert Brookes, Anthony Li, Luis Loza, and David Schwartz.