The Titleist TSi Golf Driver marks the start of tour seeding and validation. As golf’s #1 choice of Golf Driver for two seasons running, Titleist has set the new TSi drivers off to a fast start, to become the most played drivers at The U.S Open Major Championship. From the game’s best players, Titleist has collected feedback throughout R&D Development. So, what can you expect from a tour dominating model such as the Titleist TSi3 Golf Driver?From Titleist TSi3 Golf Driver, you can guarantee that the player in control shows more consistent contact and therefore require more precision over CG placement. Expect breakthrough face material, a player-tuned aerodynamic which drives speed performance and looks, sounds, and feels like it was made for the tour. The Titleist TSi Drivers, in both models, are faster in the air and faster at impact. They push boundaries of speed. Advanced engineering and a material breakthrough which features ATI 425 Titanium Face Technology – never used in Golf before the Titleist TSi Models – combine to produce a longer, straighter Titleist Golf Driver.