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.
UMSL also ranked No. 136 nationally on the list of top public universities.