TIRE AND TIRE MOLDING CAST

The present invention provides a tire at least comprising: a tread portion having a ground contact surface; and a large number of projections formed in at least a portion of the ground contact surface so as to each have a radius of curvature in a predetermined range. The present invention also provides a mold for molding a tire, comprising: a ground contact surface molding surface; and a large number of recessed portions formed in at least a portion of the ground contact surface molding surface so as to each have a radius of curvature in a predetermined range.