Short-sleeved polo-style sweater with zip in Fin. 14 made in a surprising yarn resulting from the combination of two different types of cotton: a combed cotton and a crêpe cotton. The first, which is woven and thinned during the manufacturing process, guarantees a much thinner, softer and at the same time resistant fiber, while the second gives the garment a fresher and lighter hand. The sweater is then characterized by the