A tire includes a carcass structure including at least one carcass ply, a belt structure applied in a radially outer position with respect to the carcass structure and a tread band applied in a radially outer position with respect to the belt structure. The belt structure includes at least one reinforcing strip incorporating a plurality of reinforcing elements arranged substantially in the circumferential direction. The reinforcing elements include at least one high-elongation metal cord. The metal cord includes a plurality of intertwined strands and each strand includes a plurality of filaments. Advantageously all the filaments of each strand have a diameter not greater than 0.175 mm.