Designed by the Perini Navi Group’s Technical and Design Department in collaboration with the New Zealand yacht designer, Ron Holland, S/Y Fidelis has a hull and superstructure in aluminium with an optimised displacement of 545 tons and a tonnage of 497 tons.

The ketch sail plan, designed and engineered by Perini Navi’s Mast Division measures 1,500 square meters. Both the main and the mizzen masts are in aluminium and are respectively 58.37 and 47.97 meters high. The booms are both in carbon fibre and have in-boom furling systems.