RS LYON co-poly string is a high performance racket string built for control and feel; developed and used by Robin Söderling. RS LYON was developed by Robin to fit his own game, but with improved tension maintenance and a softer feel than what he was playing with on the ATP Tour. RS LYON is loved by players all over the world and regarded as "the best string I have ever played with" by multiple tennis players.
This is a premium string highly rated by the tennis community. Watch the play test on tenniswarehouse.com and check our Youtube channel to watch the Tennis Warehouse VLOG about this string: https://www.youtube.com/watch?v=CAIZdtzvpVo.