Two plates (2, 3) are arranged under a forefoot and a heel and comprisies longitudinal edges (2a, 2b, 3a, 3b) inclined with respect to the transversal axis of a sole and the lateral edges (2c, 2d: 3c, 3d) which are not parallel and have different lengths. Winglets bonded to the lateral edges are fixed to the sides (7, 8) of the sole by pins or claws. Said invention can be used for transforming a city shoe in to a golf shoe.
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