Personalize your balls with your initials, Choose from two unique designs, Add 2 or 3 letter initials. The All-New 2021 TaylorMade TP5x Yellow Golf Balls are the latest innovation to the 5-layer construction that was introduced in 2017 that optimized spin and launch conditions. The HFM Speed layer was added a couple of years later that drastically improved the ball speed after impact with the clubface. Now in 2021, TaylorMade has added advanced aerodynamics to the new TP5x Yellow golf balls with the Tour Flight Dimple Pattern.