Incorporating technologies from the 3X series of POWERSLIDE's inline speed skates, the Core Performance Black 4x90 is a high-quality skate at an affordable price, providing you with all the tools you need to achieve new speeds on the road or racetrack. The lightweight and responsive shell is made from a combination of basalt and fiberglass. The upper part of the boot features microfiber and matte black nano-quality leather, offering a sleek style and enhanced comfort. This powerful inline speed skate, mounted with the reliable 165mm binding on the shoe, features a POWERSLIDE Core Performance precision frame that is lightweight, stable, and provides excellent power transfer to the 4x90mm Infinity wheels and smooth WICKED ABEC 9 bearings. The POWERSLIDE Core Performance Black 4x90 is the ideal skate for kids and beginners, equipped with many features, stylish, and affordable.