ULTRA-LIGHTWEIGHT DISTANCE: The Titleist TSi1 driver is designed for players with moderate swing speeds seeking an ultra-lightweight configuration to help maximise distance.
Ultra-Lightweight Design: From clubhead to grip, the TSi1 driver is engineered and weighted to deliver maximum launch and distance at moderate swing speeds.
Multi-Dimensional Stability: Deliver more speed and a tighter spin range up and down the face (as well as laterally).
Performance-Tuned Adjustability: Titleist Sure-Fit hosel allows you to tune performance to ensure you get the most out of every swing.