Energetic Gradient Growth Core Is Softer In The Center And Firmer On The Outside To Launch Higher Off The Tee With Less Spin For Maximum Distance Soft, Thinner Ionomer Cover For Greater Spin Around The Greens And Softer Feel On Pitches, Chips And Putts 338 Speed Dimple Pattern Holds Through The Wind For Straighter, More Accurate Shots New Dimple Pattern And Core Combine For Longer Driver Distance As Well As More Consistency And Control With Your Irons