The Adventure sail is intended for the serious sea-kayaker. This is the sail for expeditions on big water and will be pulling hard long after you are ready to head to shore. The Adventure will withstand any condition you throw at it. The sturdy and unbreakable perimeter batten maintains sail shape in high winds and allows for high sailing angles. Designed for 5-30 knots. Perfect for 14'-18' touring and expedition boats. Deployed diameter: 42" (9.62 sq ft). Wt: 13 oz.