Plate, sole, and shoe

A sole that forms a part of a shoe, comprising:

• a plate including a mid- and rear-foot support portion in a shape extending from a position configured to be superimposed on a rear end portion of a metatarsal bone of a wearer of the shoe in a thickness direction of the sole to a position configured to be superimposed on a heel bone of the wearer, the mid- and rear-foot support portion configured to support a midfoot portion and a rear foot portion of the wearer;
• the plate further including a forefoot support portion extending forward from the mid- and rear-foot support portion and configured to support a forefoot portion of the wearer, wherein the forefoot support portion is formed flat in a cross-section in a foot width direction;
• and
• a midsole including a lower midsole and an upper midsole connected to the lower midsole, the entire forefoot support portion and the mid- and rear-foot support portion positioned between the lower midsole and the upper midsole;
• wherein the mid- and rear-foot support portion is in a shape convex upward in a cross-section along an entire width of the plate in a foot width direction at the position configured to be superimposed on the heel bone of the wearer;
• and
• wherein the upper midsole has a greater width than the mid- and rear-foot support portion of the plate in the foot width direction.