Futures Alpha Vector 3/2 Large Tri Fin Set - Large/SilverWHAT IS A VECTOR FOIL It is a proprietary Futures foil with a concave surface on the inside of the front fins, increasing surface area, water attachment, and lift. WHAT IS A 3 2 3 2 complements the Vector with an extra 3 degrees of cant and 2 degrees of toe, introducing a twist to the foil for improved planing angles in sharp turns, creating lift and hold deeper into the maneuver. PERFORMANCE BENEFITS OF THE VECTOR 3 2 The Vector 3 2 is a Speed