The beginning of 2018 marks a milestone for North Sails as the company completes a 10-year transformation from 3DL string laminates to 3Di molded composite sail structures. North Sails was at the forefront of the mylar and yarn laminated construction wave with its groundbreaking 3DL sails. 3DL sails dominated performance sailmaking from the early 1990’s until the 2007 America’s Cup. With the shift to 3Di, the company ceased production of laminated sails reliant on mylar and is fully committed to the spread filament, prepreg, 3D composite structures. Three dimensional, full-scale shape molding remains a cornerstone of the North Sails approach. Read more.