Originally Posted by finalfantasy7
got a question, do the pro pen's extra duty marathon balls last longer than Pro Penn Marathon? anyone noticed a difference between the two? (as i'll be playing outdoors with them, concrete courts)
just realised tennis warehouse don't have either anymore? out of stock/stop selling them?
It is hard to tell either version of the Marathon apart from the other.
Three (3) Prince Tour 100T ESP (16x16), Prince Tour XC 15g @ 60#, 5.0 NTRP