Yonex Poly Tour Pro 125 16L Graphite Tennis String , Black Eye Protection This open structure dramatically minimizes

This open structure dramatically minimizes wind drag

It uses a unique manufacturing process that allows the string to be more flexible

whereas the PolyTour Rev (Orange/White/Purple) utilizes SIF (Silicone Oil Infusion) for a slicker surface and more "snapback" spin

minimizing arm fatigue while creating a highly plush

Comparison Note

Yonex Poly Tour Pro 125 16L Graphite Tennis String , Black Eye Protection This open structure dramatically minimizesThe Yonex POLYTOUR PRO in Graphite (Black) is a world class co polyester monofilament, frequently used on the ATP and WTA tours (famously by players like Nick Kyrgios and Naomi Osaka). The 1. 25mm (16L) gauge is the most popular thickness, offering the perfect "sweet spot" between durability, spin, and playability. Performance Profile Plush Feel: Known as one of the most comfortable and "soft" polyesters on the market. It avoids the harsh, "boardy"