The adidas Adizero Ubersonic 4 ‘Signal Green Sonic Ink’ is a tennis shoe designed specifically for hard court surfaces, and it stands out with its vibrant pops of color. The upper part of the shoe features a seamless mesh construction made partly from recycled materials, with a fluorescent shade of green that fades to white. The bootie-style construction ensures a snug and sock-like fit for the wearer, while the molded TPU heel counter provides excellent support for the back of the foot. On the lateral side, you'll find oversized three-stripes in royal blue, adding a stylish touch to the shoe. The midsole of the Ubersonic 4 is made of Lightstrike material, known for its responsiveness and springiness, and it offers great cushioning. Additionally, the midsole is reinforced with an Adiwear outsole featuring herringbone traction, ensuring excellent grip on the court. So, not only does the adidas Adizero Ubersonic 4 deliver an eye-catching design, but it also offers the functionality and performance required for intense tennis matches on hard courts.