The EXPRESSION must be suitable for beginners through to expert freestyle riders.
The sail must be light, with neutral handling and easy rotation.
Construction must be appropriate for regular wipe-outs and occasional wave use.
The EXPRESSION must be powerful, and accelerate out of manoeuvres easily.
The power must be close to the rider so that it is manageable, and can be used effectively but power can not be at the expense of control.
Improve the EXPRESSIONís clew first sailing properties.
Reduce the rotation and transition times allowing the sail to power and de-power quickly