Every bowler's approach is different. We've designed our superior line of SST 4,5, and 6 professional bowling shoes with patented interchangeable heels and soles. The combination you choose depends on the move you need to make. Whether it's a little slide and lots of brake or a lot of slide and a little brake, Dexter's line of SST bowling shoes delivers the technique you need. Replacement Heel More Brake (Less Slide) Compatible on all SST and THE shoes. Individually packaged. All heels must be trimmed to fit. Sizing: Small: Womens 5-12 Large: Mens 9.5-15