A shoe sole in which a forefoot portion for supporting a toe portion and a ball portion of a foot of a wearer, a midfoot portion for supporting an arch portion of the foot of the wearer, and a rearfoot portion for supporting a heel portion of the foot of the wearer are provided to be connected along a front-rear direction that is a direction coinciding with a foot length direction of the foot of the wearer, the shoe sole comprising: a midsole provided so as to straddle across the forefoot portion, the midfoot portion, and the rearfoot portion; and an outsole prescribing a ground contact surface when in a standing posture by covering at least a part of the midsole on a lower surface, wherein the midsole has a first protruding portion protruding toward the ground contact surface side at a location on a medial foot side in a left-right direction that is a direction coinciding with a foot width direction of the foot of the wearer and on a rear end side in the front-rear direction, a portion of the midsole where the first protruding portion is provided includes a first bottom surface located on the ground contact surface side, and a first side surface located on the medial foot side in the left-right direction when seen from the first bottom surface, the outsole has a rear medial foot side outsole as a first cover portion including a first bottom wall portion prescribing the ground contact surface by covering the first bottom surface, and a first side wall portion erected facing upward from a peripheral edge of the first bottom wall portion on the medial foot side in the left-right direction and covering the first side surface, and when a front side end of the shoe sole in the front-rear direction is set as a reference, a location corresponding to a dimension of 70% of a dimension from the front side end to a rear side end of the shoe sole in the front-rear direction is set as a front side specific location, and a location of the first bottom wall portion on a rear end side of the rear medial foot side outsole in the front-rear direction is set as a rear side specific location, a first ridgeline of the first cover portion located at a boundary between the first bottom wall portion and the first side wall portion is located so as to separate from a first outline of the first cover portion prescribed by the first side wall portion from the front side specific location toward the rear side specific location when seen along the ground contact surface. a midsole provided so as to straddle across the forefoot portion, the midfoot portion, and the rearfoot portion; and an outsole prescribing a ground contact surface when in a standing posture by covering at least a part of the midsole on a lower surface, wherein the midsole has a first protruding portion protruding toward the ground contact surface side at a location on a medial foot side in a left-right direction that is a direction coinciding with a foot width direction of the foot of the wearer and on a rear end side in the front-rear direction, a portion of the midsole where the first protruding portion is provided includes a first bottom surface located on the ground contact surface side, and a first side surface located on the medial foot side in the left-right direction when seen from the first bottom surface, the outsole has a rear medial foot side outsole as a first cover portion including a first bottom wall portion prescribing the ground contact surface by covering the first bottom surface, and a first side wall portion erected facing upward from a peripheral edge of the first bottom wall portion on the medial foot side in the left-right direction and covering the first side surface, and when a front side end of the shoe sole in the front-rear direction is set as a reference, a location corresponding to a dimension of 70% of a dimension from the front side end to a rear side end of the shoe sole in the front-rear direction is set as a front side specific location, and a location of the first bottom wall portion on a rear end side of the rear medial foot side outsole in the front-rear direction is set as a rear side specific location, a first ridgeline of the first cover portion located at a boundary between the first bottom wall portion and the first side wall portion is located so as to separate from a first outline of the first cover portion prescribed by the first side wall portion from the front side specific location toward the rear side specific location when seen along the ground contact surface.