A sole for an article of footwear includes a fiber-reinforced polymer plate extending from a heel area of the article of footwear to a toe area of the article of footwear, wherein flexibility of the fiber-reinforced polymer plate varies as a function of location along a longitudinal axis of the fiber-reinforced polymer plate, and wherein the fiber-reinforced polymer plate includes a stiffening layer disposed at a midfoot area of the fiber-reinforced polymer plate.