Dexter replacement sole S6 microfiberThe Dexter SST System allows the bowler to change the shoe's sliding sole and heel instantly to adjust to any approach condition: from tacky to slippery, from synthetic to wood. The bowler does not have to adjust footwork or release.The S6 Blue Microfiber sole offers an average slide and a little less slide than the S8 sole.- Recommended for: normal to slippery approaches- Bowler Profile: For the bowler seeking average slide- Trim to fit- can be used with all SST models, Alohs Pro Series and Etonic Interchangeable shoes