This suit of armor is reinforced.  While you're wearing it, any critical hit against you becomes a normal hit.

Plate consists of shaped, interlocking metal plates to cover the entire body. A suit of plate includes gauntlets, heavy leather boots, a visored helmet, and thick layers of padding underneath the armor. Buckles and straps distribute the weight over the body.

Notes: Immunity: Critical Hits, Bonus: Armored Armor Class, Proficiency: Heavy Armor, Combat, Warding, Str. 15 Required, Stealth Disadvantage