Passage: The Puig family has always been strongly linked to the sailing world, especially in the figure of the late Enrique Puig, director of the company, president of the Salón Náutico and the Royal Barcelona Yacht Club. The company was the sponsor of the Copa del Rey de Vela from 1984 to 2006.Puig was the shipowner and sponsor of the sailing «Azur de Puig». This boat participated in the most important sailing events worldwide. One of the usual crew of the sailboat was the Infanta Cristina, youngest daughter of King Juan Carlos I.Since 2008, in collaboration with the Royal Barcelona Yacht Club, the company boosts and sponsors the "Puig Vela Clàssica" race, which is held in Barcelona waters in July every year. The main feature of this race is that it is reserved for traditional and classical boats only. This regatta is one of the main classical sailboats races of all those celebrated worldwide.

Question: What kind of boats are raced during the regatta?
sailboats