Diadora has a proven track record in developing products for soccer. Diadora places its experience at the disposal of every player's needs, with soccer boots for all surfaces - hard, synthetic and indoor pitches - in addition to a large variety of soccer accessories, including studs, regulation balls and gloves, to provide your performance with the right support, all the time. Forte Ball from Diadora recommended for training and matches. 32 panel hand stitched ball with a soft PU cover for shape retention and touch. Butyl (rubber) bladder and valve for superior air retention. Size: 3, 4, 5. Material: Polyurethane, Rubber.