The X-Over sail range is designed to excel in all water and wind conditions, no matter what the day throws at you. Up to size 6.2, the X-Over is a power wave sail with an incredibly low swing weight, allowing you to express yourself on the wave in all conditions. The power and stability make the sail ideal for jumping, launching you into the upper airs. The 6.7 and 7.4 are free move sails, ideal for flatwater freeriding with stability, constant top-end speed, light in the hands, a huge wind range, and easy to sail upwind. No stitching, no seams. One piece 3Di Moulded sails maximizing in durability. Revolutionary technology for windsurfing, brought to you exclusively by North Sails. Go Beyond.