Originally Posted by tennis_nut
I have 2 of the 99S racquets. One is strung with Solinco Outlast 16 and the other is strung with Sonic Pro Edge 16. Both at 56 lbs. on a lockout machine. I feel like I could have went a couple pounds tighter. The little bit of extra spin is nice but what I am really enjoying about the racquets is the large sweetspot and comfort with full poly.
Outlast is a GREAT choice for the 99s.
Very durable and lower powered poly....also pretty comfortable.