Introducing the NEW e12 Optimal Flight System Fit Your Flight, Maximize Your Distance. We have learned through millions of ball fittings that more than 85% of golfers would benefit by playing a ball optimized for their launch conditions. The three e12 models are each engineered to maximize distance: e12 HiLaunch increases carry, e12 Straight reduces hooks and slices, and e12 Speed delivers longer, piercing flight.