Babolat SFX All Court Women's Tennis Shoes White/Blue Textile The Babolat SFX 2, in new colors for 2016, is a new addition to the Babolat performance tennis shoe line, combining proven Babolat technologies in a slightly wider, more comfort-oriented package. Upper:S-Shield synthetic leather for excellent durability, comfort, and ventilation. Stitchless tongue/vamp for excellent forefoot flex. Midsole: Ergo Motion dual material midsole, Kompressor System in heel, 3D ergonomic shank. Insole: Ergo Motion dual material insole, offering long lasting cushioning, comfort, and support. Outsole: Michelin All Court provides traction on all surfaces.