The Callaway HX Diablo Tour Ball combines all the best elements of the HX Bite and the HX Hot Plus, providing the optimum combination of distance, feel and control in a 3-piece performance golf ball. Strategic hardness gradation creates a soft inner portion of the core that gradually gets firmer toward the perimeter, resulting in lower driver spin for increased distance with excellent green-side control. The soft ionomer cover produces incredible feel off the clubface with increased spin for the short game and allows for aggressive shot-making. An advanced DuPont HPF inner cover creates faster ball speeds and helps lower driver spin for longer, more accurate shots. Hex aerodynamics replaces conventional dimples to reduce drag and produce a more penetrating ball flight in various weather conditions.