Shaper Series by Rusty Preisendorfer from FCS Description: Rusty's tri-quad (5 fin) set allows you to customize the performance of your board. Choose the thruster for more control in hollow sections, or the quad for more speed and flow when carving on the open face.  Designed by legendary shaper Rusty Preisendorfer.  Ideal for power surfing and performing committed turns in critical sections. Great for surfers who like to feel really connected to the wave.  Deep inside foil on the thruster set creates bite on the wave, with smooth tip release. Size: X-Small -(Under 55Kg / 120 Lbs) Small (-55Kg - 70Kg / 120 - 155 Lbs) Medium- (65Kg - 80Kg / 145 - 175 Lbs) Large- (75Kg - 90Kg / 165 - 200 Lbs) X-Large-(Over 85Kg / 190 Lbs)