All our products are totally customisable by chosing among any fiber, skin and grid. Shown data represent recommendations provided according to our experience and fibers technical features. External taffeta black Internal taffeta white Internal Stuctural Skin white Suggested grid: Available fibers: Our suggestions: film on film (mylar) internal/external taffeta Structural Skin black Aramid balanced mix of black Aramid and Carbon upwind sails medium/big racer and racer-cruiser Type: Available skins: Visit the products page on our website