The FULL sole is available in 56°-60° while the MID is available in 46°-60° and the LOW in 56°-64°. The new XLOW comes in 56° and 60° only.
Thomas has long used Titleist equipment but he has made some changes since his last PGA Tour win. At the Honda Classic in February he used a Titleist 917 D2 driver and a Titleist 917 F2 fairway wood.
The LO is the most compact model with a low and forward CG location that promotes a low-mid trajectory. It’s the most iron-like design of the group and is most likely to work for those with faster clubhead speeds.