The Hypercourt Express HB is a lightweight tennis shoe designed for on-court performance for the highest levels of play. Its upper is constructed with Seamfree™ technology, a state-of-the-art heat welded seamless construction method that bonds layers of TPU onto breathable tech mesh for flexible support without stitching. On the inside, a well-padded ankle collar provides comfort and stability while a die-cut EVA sock liner adds responsive cushioning underfoot. The Hypercourt Express’ outsole is made with K-Swiss’ signature Aösta II high-density rubber and features a deep herringbone tread