Midgard Lineages and Heritages, pg. 5
Blending humanoid and equine features, some scholars opine that centaurs are the original inspiration for cavalry. These four-legged folk voice no opposition in the matter, provided these scholars remain silent regarding centaurs’ suitability as draft animals.
Buck and Rear
You have advantage on ability checks and saving throws made to escape grapples. Once per short or long rest, when you escape a grapple from a creature that is Medium or smaller, you can also cause that creature to fall prone.
Humanoid Torso
You can wield weapons and wear armor sized for Medium creatures due to the proportions of your humanoid torso.
Hybrid Humanoid
Though your type is Humanoid, you have traits in common with Monstrosities. You have advantage on saves against effects that would cause you to become exhausted, and you have advantage on saves against being frightened.
Natural Weapons
Your hooves can be used as natural weapons, which you can use to make unarmed strikes. When you hit with them, you deal 2d4 + STR modifier bludgeoning damage.
Quadruped
Due to your Large size and indelicate hooves, climbs that require hands and feet are particularly challenging for you. When making such a climb, you must spend 5 feet of movement for every 1 foot you ascend.
Centaurs stand between 8 and 9 feet tall, weighing in excess of 1,000 pounds.