Fits tri-hull or similar style with wide bows.Extremely user-friendly Sharkskin polyester weighs only 6.5 oz. per sq.yd. and is a pleasure to handle and stow. However, don't be fooled by its light weight. Sharkskin is as strong and durable as other fabrics more than twice its weight. Water-resistant, Sharkskin is a breeze to take care of and keep clean. Sharkskin boat covers have wearing point reinforcements sewn at critical areas such as windshields, bow noses, and transom corners. Feature double-folded lock- 28824stitched shock corded hems and UV rot resistant thread. A unique strap and buckle tie down system is also included. 5-year warranty.