How long can my golfer play iGEN products?

The answer is simple... forever. iGEN is engineered to adjust weights so that you can play professional grade clubs at a younger age than other oem companies. You can also stay in these clubs forever with shaft changes and weight changes.

"Heck, I play them and I'm 6'4" ! Pat Dempsey

https://www.youtube.com/watch?v=EICXXKiwdxM