Our sails are made from the highest quality of material available on the market and are manufactured by OWEN SAILS in the U.K. one of the most highly respected Sail Makers in Europe for their quality.BROADEN YOUR HORIZONS with Kayak Sailing.We gave Owen Sails a rough design of what we required in design for a Kayak Sail, they came up with a design different in cut and shape to all others on the market. Since then we have had amazing feedback from customers on the performance of the sails. Dr. Douglas Wilcox conducted extensive tests on the sail before we went into production and was also very impressed with the performance in light winds force 2/3 and also in force 5. His report can be found by clicking on this link, https://seakayakphoto.blogspot.com/2021/05/kcs-ky-pro-sail-system-test-and-review.htmlLong term tests are showing that our Sail is out preforming other makes on the market and being of such high quality is also lasting much longer showing no signs of ware.