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.
A storm system visited the UMSL campus last week and left a stunning visual.