The fondamental conditions required to build cruising sails are: strength, manageability and lasting.
A lot of attention is given on details: bigger and stronger patches, long tested achievements. The sewings are pre-assembled with double-sided adhesive and after made with UV treated thread.
Our experience allow us to suggest you the best material among normal Dacron, Spectra-reinforced Dacron till to arrive to cruising or Multiaxial laminates.