Futures - Vector 3/2 Alpha series Carbon Gold Thruster Set - MediumThe Vector 3 2 is a Speed Generating fin, maximizing water attachment over multiple planing surfaces, resulting in lift and reduced drag. Template Category Neutral (all around versatile) Construction Alpha Speed Generating Suggested Wave Type All types All conditions Size Medium (125 175 lbs) (55 80 kgs) WHAT 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