Tire with reinforced structure heel.

Tire (10; 30; 50; 60), comprising: - a pair of axially spaced annular elements reinforcement (14; 33); - a carcass structure (11; 31) comprising at least one carcass ply (12, 13; 32; 51, 52) extending between said annular reinforcing elements (14; 33) and which is secured in portions axially opposite end (32a) to a respective one of said annular reinforcing elements (14; 33), each axial end portion (32a) wound around said annular reinforcing elements (14; 33); - a pair of bead fillers (16; 34), each of said bead fillers (16; 34) radially located outside the respective annular reinforcing element (14; 33); - at least a fabric (17; 40) which at least partially envelops the annular reinforcing element (14; 33) and bead filler (16; 34), said fabric (17; 40) comprising a plurality of reinforcing elements elongated substantially parallel to each other; - a tread (18; 39) extending circumferentially around the carcass structure (11; 31); - a belt structure (20; 36) located circumferentially between said carcass structure (11; 31) and said tread (18; 39); and - at least one pair of sidewalls (19; 38) applied to said carcass structure (11; 31) in axially opposite positions, characterized in that said elongated reinforcing elements of the tissue are metal cords comprising a plurality of filiform elements, at least one of the filiform elements one preformed threadlike metallic element (200) with a diameter of between 0.05 to 0.25 mm.