The Triple Track putting system, created in St. Louis and tested at the UMSL College of Optometry, is part of the new Callaway ERC Soft golf balls.

The Triple Track putting system, created in St. Louis and tested at the UMSL College of Optometry, is part of the new Callaway ERC Soft golf balls.
The Triple Track putting system, created in St. Louis and tested at the UMSL College of Optometry, is part of the new Callaway ERC Soft golf balls.
The Triple Track putting system, created in St. Louis and tested at the UMSL College of Optometry, is part of the new Callaway ERC Soft golf balls.
More than 100 guests visited the vibrant new space during an open house to mark its completion Tuesday evening.