Just broke my SPPP hybrid after less than 10 hours of play. I'm not a huge string breaker but have had synthetic last a lot longer. It broke on a miss hit near one of the tie off knots so maybe it was a fluke thing. When I was stringing the racquet, I also broke the string because it kinked. The string felt great and didn't lose tension, but I'm not a huge string breaker and would've like to get more than 10 hours out of it.